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MT-350 Mobile Trunk
Operation Manual
PORTech Communications Inc.
§ INDEX §
1. Preface ...................................................................................1
2. Function Interpretation ...........................................................1
3. Parts Names...........................................................................2
4. Dimension Drawing ................................................................2
5. Demonstration on Double Sides of Equipment ......................3
6. Install Line Connections .........................................................4
7. Set the Allow-to-Dial Code .....................................................5
8. Code Conversion Setting .......................................................5
9. Cancel Code-Conversion .......................................................5
10. Set Parameter ......................................................................6
(1)Set GSM dial-out code amount ...........................................6
(2)Polarity reversing function ...................................................6
(3)Definition of DTMF reversing signal ....................................6
(4)Limit of communicating time................................................6
(5)GSM function of dialing out the prompt voice......................7
(6)When not connecting to Telephone Office line, GSM will
provide the forced dial-out function..........................................7
(7)Set up GSM extra dialing local code ...................................7
(8)Sound volume modulation...................................................8
(9)Restore default setting ........................................................8
(10)Set up extra dialing local-code to PSTN............................8
(11)GSM simulated echo-bell-sound function..........................8
(12)GSM isn’t ready, call will be forced to dial out from PSTN 9
(13)Supervisor Password Setting ............................................9
(14)Input for PIN Code Request ............................................10
11.Setting of Specific Call-Transfer..........................................10
(1)PSTN TO GSM..................................................................10
(2)GSM TO PSTN..................................................................10
(3)GSM free transfer setup ....................................................11
12. Short Code Setting .............................................................12
13. Call-Transfer Restriction Setting ........................................13
14. Echo Cancel Function ........................................................14
15. Q&A ....................................................................................14
16 Specification ........................................................................16
MT-350 Operation Manual 1
1. Preface
Congratulations! You have selected the remarkable product “MT-350 Mobile
Trunk” by your sharp and intellectual judgment. ”MT-350” will provide you the best wire
and wireless communication services. Before using this product, you have to read over
this Operation Manual, letting this product serve you with its full functions, to satisfy
your ideal desire and enjoy yourself in the wire and wireless communication applied in
daily lives. The “MT-350” product is under our delicate design, which has fulfilled the
ideal way of communications expressed on the slogan of “making wireless to wire”
versus “making wire to wireless”. It can save your communication expense and bring
you an unpredictable effort using this product.
2. Function Interpretation
(1) Conversion of wire & wireless communication
We can use MT-350 Mobile Trunk to apply conventional telephone set replacing
cell phone to perform sending and receiving phone calls.
(2) Auto-select economic route
From various settings, MT-350 will determine the calls connected through local
PSTN Line or GSM on accordance of call numbers dialed therein, which can save
phone-call fee as a favorable benefit.
(3) Through the connection towards local PSTN line, the phone calls will proceed with
code-transfer dialing process. For example, when you dial “002”, MT-350 will
transfer it to “006” and transmit the calls through the other fixed communication
network systems.
(4) Vocal volume modulating system
In order to cooperate with different application environment, the Wizard is capable
to modulate the vocal voice of phone.
(5)MVPN Function
Provide MVPN routing according to the prefix of MVPN number for GSM carrier.
MT-350 Operation Manual 2
17.0
cm
3. Parts Names
After opening the package, please check whether all parts attached to MT-350
Wizard are provided in the package. If there is any missing, please query the sales
agent promptly to supplement for the insufficient parts. The parts on the list are
specified below:
(1) ”MT-350” primary machine
(2) Transformer AC-DC (110V AC – 12V DC) or (220V AC – 12V DC)
(3) Phone connecting box
(4) Antenna
(5) This Operation Manual
4. Dimension Drawing
(1)
(3)
(2)
(4)
4.0cm
14.5cm
MT-350 Operation Manual 3
5. Demonstration on Double Sides of Equipment
(1) (2) (3) (4) (5)(6)(7) (8)
(1)Connecting seat of externally connected antenna.
(2)DC 12V: power input.
(3)PHONE: Telephone/switchboard connector; with standard RJ-11 USA type plug,
connected to the Telephone Office loop of phone set or switchboard.
(4)PSTN phone jack : Central office line interface, standard RJ11 phone jack.
(5)PWR LED (Power Indicator)
(6)STATE LED : Slow flashing during the initialization stage, light up when the phone
set is picked up. Fast flashing during the GSM line in use. Flash timing indicates the
RSSI(received signal strength indicator), 5 times per second for the strongest
receiving, 1 time per second for the poorest receiving.
(7)PSTN LED : Flashing during the PSTN line in use.
(8)GSM LED : Fast flashing when the GSM channel is available, otherwise, slow
flashing.
** Insert the SIM card from the back (take off the slide first)
MT-350 Operation Manual 4
6. Install Line Connections
Wiring Diagram
(1)Take apart your local PSTN connecting line from the phone or switchboard, and
connect it to the LINE connecting slut of MT-350. If you use MT-350 to send and
receive calls only, then you don’t need to connect the local PSTN line.
(2)Connect PHONE connecting slut to the inlet side (Telephone Office) of phone or
switchboard.
(3)Put in transformer power. The DC end connects to DC 12V of MT-350, and then the
PW lamp on the front side of MT-350 should light up.
(4)MT-350 will proceed with system detection after booting. Please connect the Line
and Phone correctly before energizing it. If problem is found during the system
operation, please take power source off first and process wiring task next.
MT-350 Operation Manual 5
7. Set the Allow-to-Dial Code
(1)Hold the phone and dial numbers following the order illustrated below:
***#nnnn#: n means the code that allows sending calls out from GSM. Hang up the
phone and the setting is thus completed. When the coding number is altered, follow
the above steps to set up again.
when nnnn is set to ※※※※ ＊＊
Format: ***# [waiting for confirming voice] (turn setting function on)
nnnn# [waiting for echo voice in responding]
nnnn# [waiting for echo voice in responding]
Where nnnn means the allow-to-dial code, which as ***#0937, #0948# are on
behave of 0937- and 0948-; the code is dialed out from GSM.
Default setting =0, all call number starting with code “0” means allow-to-dial code.
＊＊, it will close the calls-sending function from GSM.
＊＊＊＊
8. Code Conversion Setting
Format: ###* [Waiting for confirming voice] (turn setting function on)
aaaa# [Waiting for echo voice in responding]
bbbb# [Waiting for echo voice in responding]
Where aaaa means original code, bbbb means converted code; the ###*002#006#
means converting head codes 002- to 006- automatically.
We have defined this code dialing mechanism outputting through Telephone Office
line system of PSTN. If we want to output through GSM, we can set the first code to
“*”, such as ###*002#*006#, which means that MT-350 will auto-convert head
codes 002- to 006- and dial out through GSM.
9. Cancel Code-Conversion
Format: ###* [Waiting for confirming voice] (turn setting function on)
**# [Waiting for echo voice in responding]
is to cancel code conversion function.
MT-350 Operation Manual 6
10. Set Parameter
(1)Set GSM dial-out code amount
Format: *#** [Waiting for confirming voice]
71aabb#
aa means dial-out code amount, bb have to be inputted in exactly identical to aa.
Example: *#**711010#, which means setting dial-out codes amount = 10. If correct, the
MT-350 then will beep up once in response. If not correct, the MT-350 will
beep up four times consecutively instead.
Default setting =10
(2)Polarity reversing function
Format: *#** [Waiting for confirming voice]
510101# is to turn the reversing function off,
510202# is to turn it on (default).
Default setting = 02
(3)Definition of DTMF reversing signal
Format: *#** [Waiting for confirming voice]
52aabb#
In some regions or systems, DTMF reversing signals vary and can be defined by
this function:
aa= 11 (* TONE), 12(# TONE), 13(A TONE), 14(B TONE), 15(C TONE),
00(D TONE)
bb needs conforming to aa.
Default setting = 15 (C TONE)
(4)Limit of communicating time
Format: *#** [Waiting for confirming voice]
61aabb#
aa means the communicating time in the unit of min. ( 00-99), and will show alerting
sound 30 sec ahead of hang-up. bb should be identical to aa by input. If setting to “00”, it
then means unrestricted.
Example: *#**610505#, which means that system will send out alert sound at the
MT-350 Operation Manual 7
communicating time of 4:30, and hang up it at about 4:55. If correct, the
MT-350 will beep up once in response. If not correct, the MT-350 then will
beep up four times consecutively instead.
Default setting = 00
(5)GSM function of dialing out the prompt voice
Format: *#** [Waiting for confirming voice]
530101# turn off prompt voice.
530202# turn on prompt voice (default).
Default setting = 02, turn on this function.
(6)When not connecting to Telephone Office line, GSM will provide the forced
dial-out function
Format: *#** [Waiting for confirming voice]
550101# turn off function of forced dial-out.
550202# turn on function of forced dial-out (default)
Default setting =02, to turn on this function.
(7)Set up GSM extra dialing local code
When both GSM and PSTN dial local code, the difference between them is that
GSM has to extra dial up local code whereas PSTN needs not. This function
applies to the condition that when PSTN has been cut and user dials local phone
No., system thus will add in local code automatically and dial out from GSM.
Format: *#** [Waiting for confirming voice]
63aabb#
aa means code limit. There are still certain restrictions when auto-adding local
code, such as that the service or emergent phone calls need not to add extra
code dialing action. This setting is that when the total phone number length
inputted is shorter to the setting value, then MT-350 won’t extra dial local code. bb
means local code (2~8 digitals), it isn’t contained in the original code while dialing
out through GSM, and MT-350 will auto-add it in advance.
Example: *#**630604#, if the head code isn’t “0” (04), and total code number
isn’t less than 6, then when dialing out form GSM it will dial “04” ahead
MT-350 Operation Manual 8
of the other code numbers. If correct, the MT-350 will beep up once in
response. If not, the MT-350 then will beep up four times consecutively
instead.
Default setting =00, to turn off this function.
Note: If it isn’t connecting to PSTN, then the phone won’t dial out
through GSM, in case not setting up this function and not
passing through the checking number of allow-to-dial code.
(8)Sound volume modulation
21 aabb#
aa means vocal volume, which varies from 00-04, 00 is the bottom value and 04 is the
peak one. bb should be externally inputted identical to aa.
Example: *#**210404#, it means that the vocal volume is set to the maximum value. If
correct, the MT-350 will beep up once in response. And if not, the MT-350
then will beep up four times consecutively instead.
Default setting =04, it means that the maximum vocal volume is set up.
(9)Restore default setting
Format: *#** [Waiting for confirming voice]
990909#,
the only act needed to follow is to reboot machine.
(10)Set up extra dialing local-code to PSTN
Format: *#** [Waiting for confirming voice]
11aaaaa#
aaaaa means the digitals dialed out with extra codes can extend to 12 digitals.
Example: *#**111805#, it means that if the phone number is dialed out with two
heading digitals of 02-08 through PSTN, it will automatically dial out 1805 in
advance. If correct, the MT-350 will beep up once in response. If not correct,
the MT-350 then will beep up four times consecutively instead.
Default setting: None.
(11)GSM simulated echo-bell-sound function
Format: *#** [Waiting for confirming voice]
MT-350 Operation Manual 9
57aabb
It’s the function of dialing out phone call from GSM and generates echo-bell-sound
before starting to talk in the phone.
aa means echo-bell-sound time in a unit of 0.1 sec. ( 00-98).
bb needs to be inputted identical to aa. This function will disable if setting up to “00”.
If setting up to “99”, it won’t have time limit on it.
Notice: that this echo function will be halt if there is actual echo sound, reply or vocal
response occurred therein.
Default setting =00 (turn off this function).
(12)GSM isn’t ready, call will be forced to dial out from PSTN
Format: *#** [Waiting for confirming voice]
59aabb
While GSM isn’t ready, the function will let the phone forcedly dial out from PSTN.
If aa is set to “01”, it means that the call is not to dial out through PSTN and presented by
the vocal signal of busy line.
If aa is set to “02”, it means that the phone call is forced to dial out through PSTN.
bb needs to be inputted identical to aa.
Notice: that this echo function will be halt if there is actual echo sound, reply or vocal
response occurred therein.
Default setting = 02 (forced to dial out through PSTN).
(13)Supervisor Password Setting
Once the supervisor’s password has been set, any one who wants to do function
setting must pass the password verification. To set the supervisor’s password :
Format : *#** (wait for confirming voice)
76aaaabbbb#
aaaa is the supervisor password range from 0000 ~ 9999
bbbb : should be the same as aaaa
after that, anyone who wants to do function setting must pass the authentication
first.
*#**77aaaa# while aaaa is the supervisor’s password.
MT-350 Operation Manual 10
And when the phone hangs up, the function setting is forbidden again.
To reset the supervisor’s password and allow the function setting for anyone,
press *#**76**#
(14)Input for PIN Code Request
If the PIN Code Request of the SIM card is ON, there are 4 short dial tone prompt
when the operator picks up the phone. To enter the PIN Code, press **nnnn#
while nnnn is the PIN Code.
If the operator hears 8 short dial tone when picks up the phone, then the SIM card
is locked.
11.Setting of Specific Call-Transfer *Dual band Only
(1)PSTN TO GSM
The MT-350 can receive calls from PSTN and send them out through GSM.
Format: *#** [Waiting for confirming voice]
80nnnn#[Waiting for echo voice in responding]
Where 80 are function codes, nnnn means the call number is to be dialed out.
To cancel this function, press *#**80**#.
Example: *#**800423210287#, represents that PSTN send-in call can be dialed out to
0423210287.
(2)GSM TO PSTN
(2.1)Setup GSM-to-PSTN assigned mode
This machine can receive calls from GSM and dial them out through PSTN.
Format : *#** (Waiting for confirming voice)
81nnnn# [Waiting for echo voice in responding]
Where 81 are function codes, nnnn means the call number is to be dialed out.
To cancel this function, press *#**81**#.
Example: *#**810423210287#, represents that GSM send-in call can be dialed
out to 0423210287.
At some circumstances it needs to add “#” in the last digital of PSTN number.
To input it, press “#”, and “*” to certify the input.
Example: *#**810423210287*#, it means dialing out phone call to
0423210287#
(2.2)GSM call-Transfer setting time to PSTN auto response
When GSM phone call is dialed out through PSTN, it doesn’t have the responding
signal in some practical applications and requires to use this function to
auto-respond a few seconds later.
Format: *#** [Waiting for confirming voice]
82aabb#[Waiting for echo voice in responding]
Where 82 are function codes, aa represents time delay to auto- respond in the unit
of 0.5 sec.
bb should be identical to aa.
Example: *#**821010#, it means that machine will auto-respond after 5
MT-350 Operation Manual 11
seconds.
Example: *#**820000#, it means that after call is dialed out, it can receive
responding signal only when the other side of call makes
corresponding signal.
Default value: 10 sec later to auto-respond it.
(2.3)DTMF definition of reversed signal
Format: *#** [Waiting for confirming voice]
52aabb#
In some zones or systems, various DTMF reversed signals can be defined
by this function.
aa=11 (* TONE), 12(# TONE), 13(A TONE), 14(B TONE),15(C TONE),
00(D TONE)
bb should be identical to aa.
Default setting =15 (C TONE)
(3)GSM free transfer setup
(3.1)Setup GSM-to-PSTN free mode
Format : *#** (Waiting for confirming voice)
81****#[ Waiting for prompt voice]
MT-350 Operation Manual 12
Once the GSM-to-PSTN free mode has be set, all the incoming calls from
GSM will be answered and prompt to enter password. If the password is
correct, the calling party can hear the Bi tone, then he/she can dial out
using the PSTN line.
To cancel this function, press *#**81**#.
(3.2)GSM-to-PSTN free mode password setup
Format : *#** (Waiting for confirming voice)
83aaaabbbb#[ Waiting for prompt voice]
83 is the function code, aaaa is the password, bbbb should be the same as
aaaa.
Example: *#**8312341234# means the calling party needs to enter 1234 for
password authentication. Entering password has to be done in 30
seconds. If no password is required, press *#**83**#
Default password : no password
(3.3)Password prompt tone setup
Format : *#** (Waiting for confirming voice)
84aabb#
84 is the function code, bb should be the same as aa
aa=11 (* TONE)，12(# TONE), 13(A TONE)，14(B TONE)，5(C TONE)，
00(D TONE)，16 No tone
Default value : 15 (C Tone)
▓Remarks
Interpretation of echo-sound
[Command confirmed]: two beeps
[Setting is correct]: single beep
[Setting is error]: four consecutive beeps.
12. Short Code Setting
Allow to setup 100 sets of short code. Once the short code has been set (see
MT-350 Operation Manual 13
function 31 below), user may press 00# ~ 99# for fast dialing. (*0# ~ *9# are also
accepted and regards as *00# ~ *09#). The routing function applies to the setup
number rather than the short code itself.
To enable/disable the short code function :
Format : *#** (wait for confirming voice)
30aabb#
aa : 01 for disable short code function
02 for enable short code function
99 clear all the numbers associated with the short codes
bb : should be the same as aa
To set the number for short code :
Format : *#** (wait for confirming voice)
31aabbbbbb#
aa should be 2 digits ranges from 00 to 99 as the short code
bbbbbb : the number to be associated with the short code, max. 15 digits
Notice! : the function cod 99 (reset to factory setting) doesn’t affect the short
code number setting.
13. Call-Transfer Restriction Setting
Allow to setup 10 sets of number which are allowed to do call-transfer from mobile
to PSTN. All calls from other numbers will transfer to phone set.
Restrict function setting
Format : *#** (wait for confirming voice)
36aabb#
aa : 01 means no restriction. All calls from mobile will be transferd to PSTN
02 restrict the numbers set by function 37(see as below)
99 clear all the restriction numbers
bb : should be the same as aa
Default setting : 01, all calls will be transferred.
MT-350 Operation Manual 14
Restrict number setting
Format : *#** (wait for confirming voice)
37aabbbbbb#
aa should be 2 digits ranges from 00 to 09 as restrict code
bbbbbb : the number to be associated with the restrict code, max. 15 digits
!!Note : the function cod 99 (reset to factory setting) doesn’t affect the restrict
code number setting
14. Echo Cancel Function
*#**20NNNN#
NNNN= 0101
Echo Cancel Enable
NNNN= 0202
Echo Cancel Disable
Default: 0202
15. Q&A
Q1: “PWR” lamp doesn’t light up after power on？
A : No power transmitted to power plug, or the transformer is mal-functioned.
Q2: No further vocal sound heard after picking up the phone？
A : Phone line is disconnected or wrong wire connected.
Q3: Why the “Busy Tone” is heard directly wile picking up phone？(Not linked to
PSTN)
A : GSM isn’t ready yet, it might occur from the reasons of disconnecting antenna,
not able to receive signals or equipment mal-functioned.
Q4: How to set up allow-to-dial number？
A : Step I: connect a call receiver at phone.
MT-350 Operation Manual 15
Step II: lift up phone.
Step III: dial ＊＊＊＃, and set up all-to-dial code after hearing “beep” sound,
then press ＃ again to confirm.
If we need to set up more than one allow-to-dial codes, use ＃ to separate them
off.
Ex: ＊＊＊＃0910＃ beep 0920＃ beep
It means that the allow-to-dial number is set to 0910 and 0920.
Step IV: hang up phone speaker and the setting process is over.
Q5: How to clear up the former setting of allow-to-dial？
A : Each new setting will auto-cover over the former two settings.
Q6: How to quick-sending out codes？
A : Press ＃ after dialing out phone call, it will be sent out immediately.
Q7: how many allow-to-dial codes can this machine memorize？
A : 50 sets.
Q8: Can we use MT-350 to fax or make data preparation？
A : Negative, only can perform voice function exclusively.
Q9: After setting up allow-to-dial code, why we can’t select the allow-to-dial route?
A : (1) Check if line (PSTN) is connected properly.
(2) The allow-to-dial function hasn’t been set up yet, i.e., not to follow the correct
setup procedure processing setup.
(3) This machine derives the line malfunction inspecting ability. If the line is out
of order, it will connect to GSM route in a forced way (have to set up local
code in advance).
Q10: If the MT-350 has no power on it, and its line connects to PSTN, can it dial out?
MT-350 Operation Manual 16
A : Yes, it could, yet is confined to dial out by PSTN only.
Q11: Can the phone make inspection on the echo signal of polarity reversal?
A : Yes, it could. When call is dialed out through GSM, the phone will make linear
polarity reversal when it’s called for echo response.
Q12: Does the machine deserve CLID function?
A : Yes, it does. When GSM sends in call signal, it will send the CLID out from
phone by DTMF signal.
Q13: How to compulsorily dial out any number through GSM (VPN)?
A : We can press ’*’ before dialing out, and dial phone number next to it. Finally,
press ‘#’ to finish this task.
16 Specification
(1) Phone impedance: under DC 1kΩ, AC 600Ω (exclude wire impedance).
(2) Phone signal receiving level: -3dbm～-24dbm.
(3) Phone signal time: 50～100ms.
(4) Phone frequency error: ±1％.
(5) Feed voltage: 48V.
(6) Power converter: Input:230VAC 50Hz 200mA，Output:12VDC,1000mA
(7) GSM specification:
(7.1)GSM Frequency bands: Dual Band EGSM 900 and GSM 1800(GSM Phase 2+)
(7.2)GSM class: Small MS
(7.3)Transmit power:
Class 4(2W) for EGSM 900
Class 1(1W) for GSM 1800
(7.4)SIM card reader: External – connected via interface connector
(7.5)Antenna: 50Ωantenna coaxial connector
(7.6)Temperature range:
MT-350 Operation Manual 17
Normal operation: -20 to +55℃ ℃
Restricted operation:-25 to ℃ -20 and +55 to 70℃ ℃ ℃
Storage:-40 to +85℃ ℃
PORTech Communications Inc.
150, Shiang-Shung N. Road Taichung, Taiwan 403, R.O.C.
Tel: 886-4-2305-8000 Fax: 886-4-2302-2596
http://www.portech
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