Cisco SPA2102-EU Administration Guide - Page 21
PAP2T Connectivity - access
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Introducing Cisco Small Business Analog Telephone Adapters ATA Connectivity Requirements 1 PAP2T Connectivity As shown in the following figure, the PAP2T has two FXS ports (voice lines 1 and 2). Administrative IVR (Line 1 or Line 2) Line 1 Line 2 PAP2T Ethernet port IP Router (with hairpinning) or Broadband modem ISP LAN WAN Internet IP ITSP NOTE • The IVR functions are accessed by connecting an analog telephone to Line 1. • For proper operation, the service provider should use an Outbound Proxy to forward all voice traffic when the PAP2T is located behind a router. If necessary, explicit port ranges can be specified for SIP and RTP. 187420 Cisco Small Business ATA Administration Guide 21
Introducing Cisco Small Business Analog Telephone Adapters
ATA Connectivity Requirements
Cisco Small Business ATA Administration Guide
21
1
PAP2T Connectivity
As shown in the following figure, the PAP2T has two FXS ports (voice lines 1 and
2).
NOTE
•
The IVR functions are accessed by connecting an analog telephone to Line 1.
•
For proper operation, the service provider should use an Outbound Proxy to
forward all voice traffic when the PAP2T is located behind a router. If
necessary, explicit port ranges can be specified for SIP and RTP.
Line 1
Line 2
Internet
IP Router (with
hairpinning) or
Broadband mode
m
ITSP
IS
P
PAP2T
LAN
WAN
Ethernet
port
Administrative
IVR (Line 1 or
Line 2)
IP
IP
187420