Avaya Session Manager SIP Trunk Configuration

Avaya SIP Trunking

This guide explains the steps to configure a SIP Trunk between Avaya Session Manager and Comstice SIP SBC in order to integrate Comstice solutions such as Comstice Outbound Dialer, Avaya Agent Portal, Comstice Salesforce Webphone, and AI Voice Assistant into your Avaya Telephony system.

Step 1: Configure SIP Entity for the SBC

Login to Avaya Aura System Manager and navigate to Routing > SIP Entities. Create a new SIP Entity with the following parameters;

• Name: Comstice SBC01
• FQDN or IP: Comstice_SBC_IP_Addr
• Type: Other
• Location: Main
• Time Zone: US East

Step 2: Configure Entity Link

Navigate to Routing > Entity Links. Add a new Entity Link between Avaya Session Manager and Comstice SBC SIP Entity.

• SIP Entity 1: SessionManager
• Port 1: 5060
• SIP Entity 2: Comstice SBC01
• Port 2: 5060
• Transport: TCP
• Trusted: Enabled

Step 3: Configure SIP Domain

Navigate to Routing > Domains. Add your SIP domain if not already configured. This domain is used in:

• Request-URI
• From headers
• Registration
• Routing policies

Step 4: Configure Locations

Navigate to Routing > Locations. Create locations for:

• Session Manager
• Comstice SBC

Bandwidth management can also be configured here.

Step 5: Configure Routing Policy

Navigate to Routing > Routing Policies. Create a policy for calls destined to the SBC.

• Name: To_ComsticeSBC
• SIP Entity as Destination: Comstice_SBC01
• Time of Day: Default
• Cost: 1

Step 6: Configure Dial Patterns

Navigate to Routing > Dial Patterns. Add patterns to route calls to the SBC.

Pattern	Min	Max	Routing Policy
9	10	10	To_Comstice_SBC
+	11	15	To_Comstice_SBC

Examples;

• 9NXXNXXXXXX
• E.164 routing

Step 7: Configure SIP Trunk in Communication Manager

If using Avaya Communication Manager; Access SAT terminal. Add Node Names using this command;

change node-names ip

• Session Manager
• Comstice SBC

Add SIP Signaling Group

add signaling-group 10

Typical Configuration;

Field	Example
Group Type	sip
Near-end Node Name	procr
Far-end Node Name	company.com
Far-end Domain	company.com
Transport Method	tcp/tls
Direct IP-IP Audio	y

Add Trunk Group

add trunk-group 10

Typical Configuration;

Field	Example
Group Type	sip
TAC	1010
Service Type	tie
Signaling Group	10
Number of Members	20
Direct IP-IP Audio	y

Step 8: Configure Codec Sets

In Communication Manager:

change ip-codec-set 1

Priority	CODEC
1	G.711MU
2	G.729A

Step 9: Configure Trusted SIP

If using TLS import certificates into; System Manager, Session Manager, Comstice SBC.

Troubleshooting Commands

On Session Manager, use the following options;

• traceSM
• SIP logs
• /var/log/messages

On Communication Manager, use the following commands;

status trunk 10
status signaling-group 10
list trace tac 1010
list trace station xxxx