Cisco PenTeleData 8800 Series Guide

Failover SequenceAddress List from DNS, Priority, Result
P1 - First Priority Address
P2 - Second Priority Address
SIP IP
Preference
IP Mode
2009:1:1:1:1 -> 2.2.2.2 ->
2009:2:2:2:2
P1- 2009:1:1:1::1
P2 - 2.2.2.2, 2009:2:2:2::2
Result: Phone will send the SIP messages to
2009:1:1:1::1 first.
IPv4Dual
Mode
2009:1:1:1:1 -> 2009:2:2:2:2
->2.2.2.2
P1- 2009:1:1:1::1
P2 - 2.2.2.2, 2009:2:2:2::2
Result: Phone will send the SIP messages to 1.1.1.1
first.
IPv6Dual
Mode
1.1.1.1 -> 2.2.2.2P1 - 1.1.1.1, 2009:1:1:1::1
P2 - 2.2.2.2, 2009:2:2:2::2
Result: Phone will send the SIP messages to 1.1.1.1
first.
IPv4
or
IPv6
IPv4
Only
2009:1:1:1:1 ->
2009:2:2:2::2
P1 - 1.1.1.1, 2009:1:1:1::1
P2 - 2.2.2.2, 2009:2:2:2::2
Result: Phone will send the SIP messages to
2009:1:1:1::1 first.
IPv4
or
IPv6
IPv6
Only
SDP IP Preference - ALTC helps peers in dual-mode negotiate RTP address family.
Before you begin
Access the phone administration web page. See Access the Phone Web Interface, on page 104.
Procedure
Step 1 Select Voice > SIP.
Step 2 In the SIP Parameters section, select IPv4 or IPv6 in the SIP IP Preference field.
For details, see SDP IP Preference field in the SIP Parameters, on page 340 table.
Step 3 In the RTP Parameters section, select IPv4 or IPv6 in the SDP IP Preference field.
For details, see SDP IP Preference in the RTP Parameters, on page 355 table.
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
359
Cisco IP Phone Installation
Control SIP and RTP Behaviour in Dual Mode

Cisco PenTeleData 8800 Series Specifications

General

Brand	Cisco
Model	PenTeleData 8800 Series
Category	IP Phone
Language	English