Cisco Cisco IOS Software Release 12.2(11)YT
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Cisco IOS Release 12.2(11)YT
SIP Call Transfer and Call Forwarding
Supplementary Services
Supplementary Services
The SIP Call Transfer and Call Forwarding Supplementary Services feature introduces the ability of
Session Initiation Protocol (SIP) gateways to initiate blind, or attended, call transfers. Release Link
Trunking (RLT) functionality is also added with this feature. With RLT, SIP blind call transfers can now
be triggered by channel-associated signaling (CAS) trunk signaling. Finally, the SIP Call Transfer and
Call Forwarding Supplementary Services feature implements SIP support of call forwarding requests
from a Cisco IOS gateway.
Session Initiation Protocol (SIP) gateways to initiate blind, or attended, call transfers. Release Link
Trunking (RLT) functionality is also added with this feature. With RLT, SIP blind call transfers can now
be triggered by channel-associated signaling (CAS) trunk signaling. Finally, the SIP Call Transfer and
Call Forwarding Supplementary Services feature implements SIP support of call forwarding requests
from a Cisco IOS gateway.
Call transfer and call forwarding capabilities enable application service providers (ASPs) to provide call
transfer and call forwarding services in accordance with emerging SIP standards.
transfer and call forwarding services in accordance with emerging SIP standards.
Feature Specifications for the SIP Call Transfer and Call Forwarding Supplementary Services
Determining Platform Support Through Cisco Feature Navigator
Cisco IOS software is packaged in feature sets that are supported on specific platforms. To get updated
information regarding platform support for this feature, access Cisco Feature Navigator. Cisco Feature
Navigator dynamically updates the list of supported platforms as new platform support is added for the
feature.
information regarding platform support for this feature, access Cisco Feature Navigator. Cisco Feature
Navigator dynamically updates the list of supported platforms as new platform support is added for the
feature.
Cisco Feature Navigator is a web-based tool that enables you to determine which Cisco IOS software
images support a specific set of features and which features are supported in a specific Cisco IOS image.
You can search by feature or release. Under the release section, you can compare releases side by side
to display both the features unique to each software release and the features in common.
images support a specific set of features and which features are supported in a specific Cisco IOS image.
You can search by feature or release. Under the release section, you can compare releases side by side
to display both the features unique to each software release and the features in common.
Feature History
Release
Modification
12.2(11)YT
This feature was introduced.
Supported Platforms
Cisco 1760, Cisco 2610, Cisco 2613, Cisco 2610XM, Cisco 2611XM, Cisco 2620, Cisco 2621,
Cisco 2620XM, Cisco 2621XM, Cisco 2650, Cisco 2651, Cisco 2650XM, Cisco 2651XM,
Cisco 2691, Cisco 3620, Cisco 3640, Cisco 3660, Cisco 7200, Cisco AS5300, Cisco AS5350,
Cisco AS5400, and Cisco AS5850
Cisco 2620XM, Cisco 2621XM, Cisco 2650, Cisco 2651, Cisco 2650XM, Cisco 2651XM,
Cisco 2691, Cisco 3620, Cisco 3640, Cisco 3660, Cisco 7200, Cisco AS5300, Cisco AS5350,
Cisco AS5400, and Cisco AS5850
2610-2613; 2620-2621; 2650-2651; 3620; 3640; 7200; AS5300; AS5350; AS5400; AS5800; AS5850
1760; 2400; 2610-2613; 2610XM-2611XM; 2620-2621; 2620XM-2621XM; 2650-2651;
2650XM-2651XM; 2691; 3620; 3640; 3660; 3725; 3745; 7200; 7400; AS5300; AS5350; AS5400;
AS5800; AS5850
2650XM-2651XM; 2691; 3620; 3640; 3660; 3725; 3745; 7200; 7400; AS5300; AS5350; AS5400;
AS5800; AS5850