Establishing A Call Between Two Gateways - AudioCodes Mediant 1000 User Manual

SIP User's Manual
7. Upon receiving this request and if accepted by the Proxy, the proxy returns a 200 OK
response closing the REGISTER transaction.
SIP/2.0 200 OK
Via: SIP/2.0/UDP 10.1.1.200
From: <sip: 122@10.1.1.200>;tag=1c23940
To: <sip: 122@10.1.1.200>
Call-ID: 654982194@10.1.1.200
Cseq: 1 REGISTER
Date: Thu, 26 Jul 2001 09:34:42 GMT
Server: Columbia-SIP-Server/1.17
Content-Length: 0
Contact: <sip:122@10.1.1.200>; expires="Thu, 26 Jul 2001 10:34:42
GMT"; action=proxy; q=1.00
Contact: <122@10.1.1.200:>; expires="Tue, 19 Jan 2038 03:14:07
GMT"; action=proxy; q=0.00
Expires: Thu, 26 Jul 2001 10:34:42 GMT

7.13.3 Establishing a Call between Two gateways

After you've installed and set up the gateway, you can ensure that it functions as expected
by establishing a call between it and another gateway. This section describes how to
configure two 4-port Mediant 1000 FXS SIP gateway to establish a call. After configuration,
you can make calls between telephones connected to a single Mediant 1000 gateway or
between the two Mediant 1000 gateways.
In the following example, the IP address of the first gateway is 10.2.37.10 and its endpoint
numbers are 101 to 104. The IP address of the second gateway is 10.2.37.20 and its
endpoint numbers are 201 to 204.
In this example, a SIP Proxy is not used. Internal call routing is performed using the
internal 'Tel to IP Routing' table.
To configure the two gateways, take these 4 steps:
1. For the first gateway (10.2.37.10), in the 'Trunk Group Table' screen (Protocol
Management menu > Trunk Group), assign the phone numbers 101 to 104for the
gateway's endpoints.
2. For the second gateway (10.2.37.20), in the 'Trunk Group Table' screen, assign the
phone numbers 201 to 204for the gateway's endpoints.
3. Configure the following settings for both gateways:
Version 5.2
Figure 7-5: Assigning Phone Numbers
411
7. Telephony Capabilities
September 2007