MP-1xx SIP User’s Manual 8. Gateway Capabilities Description
Version 4.4 165 March 2005
Server: Audiocodes-Sip-Gateway/MP-108 FXS/v.4.20.299.410
CSeq: 1 REGISTER
Contact: sip:122@10.1.1.200:
Expires:3600
Authorization: Digest, username: 122,
realm="audiocodes.com”,
nonce="11432d6bce58ddf02e3b5e1c77c010d2",
uri=”10.2.2.222”,
response=“b9c45d0234a5abf5ddf5c704029b38cf”
On receiving this request, 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
8.9.4 Remote IP Extension between FXO and FXS
This application explains how to implement remote extension via IP, using MP-108/FXO and MP-
108/FXS gateways. In this configuration, PBX incoming calls are routed to the “Remote
Extension” via the MP-108/FXO and MP-108/FXS gateways.
Requirements:
• One MP-108/FXO gateway
• One MP-108/FXS gateway
• Analog phones (POTS)
• PBX – one or more PBX loop start lines
• LAN.
Connect the MP-108/FXO ports directly to the PBX lines as shown in the diagram below:
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