Linksys Spa2102 Connectivity - Linksys RTP300 - Broadband Router With 2 Phone Ports Administration Manual

Introducing Linksys Analog Telephone Adapters
Notes:
• 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.

Linksys SPA2102 Connectivity

As shown in the following illustration, the SPA2102 has two FXS ports (voice lines 1 and 2).
Administrative
IVR (Line 1 or
Line 2)
Line 1
Line 2
SPA2102
By default, the device attached to the LAN port is assigned the network address 192.168.0.0
with a subnet mask of 255.255.255.0. If there is a network address conflict with a device on the
Ethernet port, the network address of the device on the LAN port is automatically changed to
192.168.1.0.
Notes:
• 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 SPA2102 is located behind a router. If necessary, explicit port ranges
can be specified for SIP and RTP.
Linksys ATA Administration Guide
Linksys ATA Connectivity Requirements
IP Router (with
hairpinning) or
Broadband modem
Ethernet
port
LAN WAN
LAN
port
Administration
Internet
ISP
IP IP
ITSP
PC
19