Application Notes for Configuring QuesCom 400 IP/GSM
Gateway with Avaya Communication Manager using H.323
Trunks – Issue 1.0
Abstract
These Application Notes describe the configuration steps required for the QuesCom IP/GSM
400 to successfully interoperate with Avaya Communication Manager using H.323 trunks.
The QuesCom 400 IP/GSM is an IP-GSM-gateway, supporting outgoing and incoming GSM
calls. All GSM calls made from Avaya Communications Manager will be routed to the
QuesCom 400 IP/GSM gateway to the GSM network. The QuesCom 400 IP/GSM can also
receive calls from the GSM network and route the calls to Avaya Communications Manager.
The QuesCom 400 IP/GSM can provide a backup route for the PSTN and also be backed up
by the PSTN.
Information in these Application Notes has been obtained through compliance testing and
additional technical discussions. Testing was conducted via the DeveloperConnection
Program at the Avaya Solution and Interoperability Test Lab.
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
These Application Notes describe a compliance-tested configuration consisting of a QuesCom
400 IP/GSM gateway networked with Avaya Communication Manager 3.1 using H.323 trunks.
The QuesCom 400 IP/GSM is an IP-GSM-gateway, supporting outgoing and incoming GSM
calls. All calls made from Avaya Communications Manager destined for the GSM network will
be routed to the QuesCom 400 IP/GSM gateway. The QuesCom 400 IP/GSM can also receive
calls from the GSM network and route the calls to Avaya Communications Manager. The
QuesCom 400 IP/GSM can provide a backup route for the PSTN and also be backed up by the
PSTN. This can be configured in Avaya Communication Manager using Automatic Route
Selection (ARS). These Application Notes focus on a configuration where an H.323 IP trunk
connects Avaya Communication Manager and the QuesCom 400 IP/GSM.
In Figure 1, Avaya Communication Manager runs on the Avaya S8500 Media Server. The
solution described herein is also extensible to other Avaya Media Servers and Media Gateways.
The Avaya G650 Media Gateway is connected to the PSTN via an E1 ISDN-PRI line and to the
QuesCom 400 IP/GSM via an H.323 IP trunk. The QuesCom in turn connects to the GSM
network via Subscriber Identity Module (SIM) cards that reside on GSM boards inserted in the
QuesCom 400 IP/GSM.
Figure 1: Avaya Communication Manager with QuesCom IP/GSM 400
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
Initial configuration of Avaya Communication Manager is beyond the scope of these Application
Notes. See Section 9 for Avaya documentation references. This section illustrates the
configuration of the H.323 trunk groups and signalling groups, dial plan, ARS analysis, and route
patterns used in the compliance-tested configuration. The steps are performed from the System
Access Terminal (SAT) interface.
3.1. Avaya Communication System parameters Special Applications
StepDescription
Display the system-parameters special-applications command and ensure that (SA8507) -
1.
H245 Support With Other Vendors? is set to “y”. If not, contact your Avaya authorized sales
representative to enable this feature. Note: This feature only needs to be enabled if FastStart is
enabled on the QuesCom 400 IP/GSM.
display system-parameters special-applications Page 4 of 6
SPECIAL APPLICATIONS
(SA8481) - Replace Calling Party Number with ASAI ANI? n
(SA8500) - Expanded UUI Display Information? n
(SA8506) - Altura Interoperability (FIPN)? n
(SA8507) - H245 Support With Other Vendors? y
(SA8508) - Multiple Emergency Access Codes? n
(SA8510) - NTT Mapping of ISDN Called-Party Subaddress IE? n
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
This section displays the PSTN E1 ISDN-PRI configuration on Avaya Communication Manager
in the sample configuration of Figure 1. See Section 9 for Avaya documentation references.
StepDescription
Enter the display ds1 <board location> to display the PSTN DS1 Circuit Pack configuration.
1.
display ds1 01A12
DS1 CIRCUIT PACK
Location: 01A12 Name: PRI to BT
Bit Rate: 2.048 Line Coding: hdb3
Signaling Mode: isdn-pri
Connect: network
TN-C7 Long Timers? n Country Protocol: etsi
Interworking Message: PROGress Protocol Version: b
Interface Companding: alaw CRC? y
Idle Code: 01010100
DCP/Analog Bearer Capability: 3.1kHz
T303 Timer(sec): 4
Slip Detection? n Near-end CSU Type: other
Enter the display trunk-group <number> to display the PSTN trunk-group configuration.
2.
display trunk-group 19 Page 1 of 22
TRUNK GROUP
Group Number: 19 Group Type: isdn CDR Reports: y
Group Name: PRI to BT COR: 1 TN: 1 TAC: 719
Direction: two-way Outgoing Display? n Carrier Medium: PRI/BRI
Dial Access? y Busy Threshold: 255 Night Service:
Queue Length: 0
Service Type: public-ntwrk Auth Code? n TestCall ITC: rest
Far End Test Line No:
TestCall BCC: 4
display trunk-group 19 Page 2 of 22
Group Type: isdn
TRUNK PARAMETERS
Codeset to Send Display: 6 Codeset to Send National IEs: 6
Max Message Size to Send: 260 Charge Advice: none
Supplementary Service Protocol: a Digit Handling (in/out): enbloc/overlap
Trunk Hunt: cyclical QSIG Value-Added? n
Digital Loss Group: 13
Incoming Calling Number - Delete: Insert: Format:
Bit Rate: 1200 Synchronization: async Duplex: full
Disconnect Supervision - In? y Out? n
Answer Supervision Timeout: 0
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
display trunk-group 19 Page 3 of 22
TRUNK FEATURES
ACA Assignment? n Measured: both Wideband Support? n
Maintenance Tests? y
Data Restriction? n NCA-TSC Trunk Member:
Send Name: n Send Calling Number: y
Used for DCS? n Send EMU Visitor CPN? n
Suppress # Outpulsing? y Format: public
Outgoing Channel ID Encoding: preferred UUI IE Treatment: shared
Maximum Size of UUI IE Contents: 128
Replace Restricted Numbers? n
Replace Unavailable Numbers? n
Send Connected Number: y
Hold/Unhold Notifications? y
Send UUI IE? y Modify Tandem Calling Number? n
Send UCID? n BSR Reply-best DISC Cause Value: 31
Send Codeset 6/7 LAI IE? y Ds1 Echo Cancellation? n
Apply Local Ringback? n US NI Delayed Calling Name Update? n
Network (Japan) Needs Connect Before Disconnect? n
display trunk-group 19 Page 6 of 22
TRUNK GROUP
Administered Members (min/max): 1/5
GROUP MEMBER ASSIGNMENTS Total Administered Members: 5
Port Code Sfx Name Night Sig Grp
1: 01A1201 TN2464 C 19
2: 01A1202 TN2464 C 19
3: 01A1203 TN2464 C 19
4: 01A1204 TN2464 C 19
5: 01A1205 TN2464 C 19
Enter the display signaling-group <number> to display the PSTN signaling-group
3.
configuration.
display signaling-group 19 Page 1 of 5
SIGNALING GROUP
Group Number: 19 Group Type: isdn-pri
Associated Signaling? y Max number of NCA TSC: 5
Primary D-Channel: 01A1216 Max number of CA TSC: 5
Trunk Group for NCA TSC: 19
Trunk Group for Channel Selection: 19 X-Mobility/Wireless Type: NONE
Supplementary Service Protocol: a
HJP; Reviewed:
Solution & Interoperability Test Lab Application Notes
The steps in this section create an H.323 IP trunk group to the QuesCom 400 IP/GSM.
StepDescription
Enter the change node-names ip command. Specify the node name and IP address for the
1.
QuesCom 400. Observe the node name of the C-LAN card shown in bold. These node names
will be used in the configuration of the H.323 signalling group in Step 4.
Enter the add trunk-group n command, where “n” is an available trunk group number. On
2.
Page 1 of the trunk-group form, configure the following:
• Group Type – set to “isdn”.
• Group Name – enter a meaningful name/description.
• TAC – enter a Trunk Access Code that is valid under the provisioned dial plan.
• Carrier Medium – set to “H.323”.
• Service Type – set to “tie”.
add trunk-group 27 Page 1 of 21
TRUNK GROUP
Group Number: 27 Group Type: isdn CDR Reports: y
Group Name: H.323 Quescom COR: 1 TN: 1 TAC: 727
Direction: two-way Outgoing Display? n Carrier Medium: H.323
Dial Access? y Busy Threshold: 255 Night Service:
Queue Length: 0
Service Type: tie Auth Code? n
Member Assignment Method: manual
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
On the TRUNK FEATURES screen (Page 3 of the trunk-group form), set the Send Name, Send
3.
Calling Number and Send Connected Number to “y” and verify the Format is set to “public”
as shown below.
add trunk-group 27 Page 3 of 21
TRUNK FEATURES
ACA Assignment? n Measured: none
Internal Alert? n Maintenance Tests? y
Data Restriction? n NCA-TSC Trunk Member: 1
Send Name: ySend Calling Number: y
Used for DCS? n Send EMU Visitor CPN? n
Suppress # Outpulsing? n Format: public
UUI IE Treatment: service-provider
Replace Restricted Numbers? n
Replace Unavailable Numbers? n
Send Connected Number: y
Hold/Unhold Notifications? n
Enter the add signaling-group n command, where “n” is an unused signalling group number.
4.
On Page 1 of the form, configure the following:
• Group Type – set to “h.323”.
• Trunk Group for Channel Selection – enter the number of the trunk group configured
in Step 2.
• Near-end Node Name – enter the node name of a local C-LAN board from Step 1.
• Near-end Listen Port – specify the local listen port, typically 1720.
• Far-end Node Name – enter the node name of the QuesCom configured in Step 1.
• Far-end Listen Port – specify the listen port, typically 1720.
• Direct IP-IP Audio Connections – set to “n”.
add signaling-group 27 Page 1 of 5
SIGNALING GROUP
Group Number: 27 Group Type: h.323
Remote Office? n Max number of NCA TSC: 5
SBS? n Max number of CA TSC: 5
IP Video? n Trunk Group for NCA TSC: 27
Trunk Group for Channel Selection: 27
Supplementary Service Protocol: a
T303 Timer(sec): 10
Near-end Node Name: clan1a_DC1Far-end Node Name: QuescomNear-end Listen Port: 1720 Far-end Listen Port: 1720
Far-end Network Region: 1
LRQ Required? n Calls Share IP Signaling Connection? n
RRQ Required? n H245 Control Addr On FACility? n
Bypass If IP Threshold Exceeded? n
H.235 Annex H Required? n
DTMF over IP: out-of-band Direct IP-IP Audio Connections? n
IP Audio Hairpinning? n
Interworking Message: PROGress
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
Enter the change trunk-group n command, where “n” is the trunk group number configured in
5.
Step 2. On Page 3 of the trunk-group form, configure the following:
• “IP” for Port. The number of ports configured should be coordinated with the number of
SIM cards available in the QuesCom 400 gateway.
• The number of the signaling group configured in Step 3 for Sig Grp.
change trunk-group 27 Page 5 of 21
TRUNK GROUP
Administered Members (min/max): 1/10
GROUP MEMBER ASSIGNMENTS Total Administered Members: 10
Port Name Night Sig Grp
1: IP 27
2: IP 27
3: IP 27
4: IP 27
5: IP 27
3.4. ARS Tables and Route Patterns
In the sample configuration described in these Application Notes, when placing outbound calls to
the public network, stations on Avaya Communication Manager must first dial the ARS Feature
Access Code (FAC) before dialing an external number. The single digit “9” was used as the
ARS FAC in the compliance-tested configuration (configuration step not shown).
StepDescription
Enter the change ars analysis 0command. Configure Dialed String entries according to
1.
customer requirements. In the example below, the entries match dialed numbers as follows:
• The “078” Dialed String matches 11-digit dialed numbers that begin with 078, and
routes calls to Route Pattern 78. For example, a dialed number of 07891 900 128 would
be matched by this entry.
change ars analysis 0 Page 1 of 2
ARS DIGIT ANALYSIS TABLE
Location: all Percent Full: 0
Dialed Total Route Call Node ANI
String Min Max Pattern Type Num Reqd
01 11 11 9 pubu n
078 11 11 78 pubu n
079 11 11 79 pubu n
123 3 3 9 pubu n
n
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes
Enter the change route-pattern n command, where “n” is the route pattern that processes dialed
2.
numbers configured in Step 1. Add two routing preference entries as follows:
1) First Routing Preference – H.323 IP trunk to QuesCom 400
• Grp No – enter the trunk group number routed to the QuesCom 400 gateway (see Section
3.3, Step 2)
• FRL - assign a Facility Restriction Level to this routing preference.
• LAR - set Look Ahead Routing to “next” to rehunt within the next routing preference if
calls are rejected. LAR allows Avaya Communication Manager to re-attempt the call on
another channel if the call is rejected with certain cause values.
2) Second Routing Preference – PSTN E1 ISDN-PRI
• Grp No – enter the trunk group that contains trunk members from the PSTN E1 ISDN-PRI
(see Section 3.2 Step 2).
• FRL - assign a Facility Restriction Level to this routing preference.
change route-pattern 78 Page 1 of 3
Pattern Number: 78 Pattern Name: Quescom H.323
SCCAN? n Secure SIP? n
Grp FRL NPA Pfx Hop Toll No. Inserted DCS/ IXC
No Mrk Lmt List Del Digits QSIG
Dgts Intw
1: 27 0 n user
2: 19 0 n user
3: n user
4: n user
5: n user
6: n user
BCC VALUE TSC CA-TSC ITC BCIE Service/Feature PARM No. Numbering LAR
0 1 2 3 4 W Request Dgts Format
Subaddress
1: y y y y y n n rest next
2: y y y y y n n rest none
3: y y y y y n n rest none
4: y y y y y n n rest none
5: y y y y y n n rest none
6: y y y y y n n rest none
HJP; Reviewed:
SPOC 9/14/2006
Solution & Interoperability Test Lab Application Notes