Supplementary Services Features Roadmap

First Published: August 1, 2008

 

This roadmap lists the features covered in this document and provides links to specific configuration information. To reach links to specific feature documentation and to see a list of the releases in which each feature is supported, see the following tables:

  • Table 1 lists features by the Cisco IOS Release in which they were introduced.
  • Table 2 lists features alphabetically by feature name.

Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not required.

Not all commands may be available in your Cisco IOS software release. For release information about a specific command, see the command reference documentation.

note.gif

Noteblank.gif Table 1 lists only the Cisco IOS software releases that introduced support for a given feature in a given Cisco IOS software release train. Unless noted otherwise, subsequent releases of that Cisco IOS software release train also support that feature.

 

Table 1 Feature Information for Supplementary Services Features for Analog FXS Ports on Cisco Voice Gateways, by Cisco IOS Release

Releases
Feature Name
Feature Information
Where Documented

15.1(3)T

CallBack on No Answer for Analog Phones

Provides CallBack notification when a called phone becomes available. This feature is supported on analog SCCP endpoints in Cisco Unified CM only.

Configuring CallBack on No Answer for Analog Phones

15.1(3)T

cBarge for Shared Lines

Allows idle IP or analog phones that are connected to the same FXS ports on a Cisco VG2nn Analog Gateway to automatically join already active calls on the same shared lines by simply going offhook. This feature is supported in Cisco Unified CM only.

Configuring cBarge and Privacy for Shared Lines

15.1(3)T

Configurable AMWI and VMWI

Allows users to configure AMWI only, VMWI only, or both.

Configuring AMWI and VMWI

15.1(3)T

Configurable Call Waiting Tone Cadence

Allows the call waiting tone to continuously play when the called party has not switched to the new call and the new caller has not hung up.

Configuring Call Waiting Tone Cadence

15.1(3)T

Enhanced Serviceability

Provides line measurement and connectivity check support for analog voice ports.

Implementing Enhanced Serviceability

15.1(3)T

Media Renegotiation

Enhances the STCAPP state machine to support any of the most possible sequences of the media setup messages.

Media Renegotiation

15.1(3)T

Privacy for Shared Line Phones

Disallows other users to cBarge into active calls on the same FXS ports on a Cisco VG2nn Analog Gateway. This feature is supported in Cisco Unified CM only.

Configuring cBarge and Privacy for Shared Lines

15.1(3)T

Secure SCCP Analog Endpoints over TLS with Cisco Unified Communications Manager

Enhances STCAPP FXS security analog endpoints through secure signaling and media encryption using TLS. This feature is supported for analog SCCP endpoints that are controlled by the Cisco Unified CM only.

Configuring Secure SCCP Analog Endpoints over TLS with Cisco Unified Communications Manager

15.1(3)T

Single Number Reach for Analog Phones

Enables incoming calls to analog phones connected to Cisco gateway FXS ports to be received on predefined alternate telephone numbers.

Configuring Single Number Reach for Analog Phones

15.1(1)T
15.0(1)XA

MLPP Support for Supplementary Services on SCCP Controlled Analog Endpoints

Adds Multilevel Priority and Preemption (MLPP) support of supplementary services such as Call Hold, Call Forwarding, Call Transfer, Call Pickup, Conferencing, Call Waiting, and Cancel Call Waiting.

MLPP service allows validated users to place priority calls and, if necessary, to preempt lower-priority calls.

See the documentation for your call-control system:

15.1(1)T
15.0(1)XA

Cancel Call Waiting

Adds FAC for Cancel Call Waiting feature.

Cancel Call Waiting

15.0(1)M

Flexible FACs in Feature Mode

Allows you to configure 1 to 4-character feature access codes (FACs) for accessing supplementary features that are supported in feature mode.

Configuring Feature Mode

12.4(20)YA

CallBack on Busy for Analog Phones

Provides callback notification when a busy called line becomes free. This feature is supported on analog SCCP endpoints in Cisco Unified Communications Manager only.

Configuring CallBack on Busy

12.4(20)YA

Call Hold/Resume for Shared Lines for SCCP Analog Ports

Enables an analog phone on a shared line to use hookflash to hold and resume an active call. This feature is supported on analog SCCP endpoints in Cisco Unified Communications Manager only.

Configuring Call Hold/Resume for Shared Lines

DC Voltage Based VMWI for SCCP Controlled Analog Ports

Notifies user on certain analog phones that support a DC voltage-controlled MWI lamp that there are messages waiting.

Configuring DC Voltage Based VMWI for SCCP Controlled Analog Ports

Flexible Feature Access Codes

Allows you to configure 2 to 4-character feature codes for Feature Access Codes (FACs) and the speed-dial code for Redial so that phone users are not required to dial the prefix before dialing a feature code.

Flexible Feature Access Codes

SCCP Meet-Me Conference

User on an analog SCCP phone can start or join a meet-me conference call.

SCCP Meet-Me Conference

SIP Supplementary Features

Enables SIP supplementary features on analog FXS ports on a Cisco ISR or Cisco VG224 and under the control of Cisco Unified Communications Manager, including:

  • Call Hold/Resume
  • Three Way Calling
  • Call Transfer
  • Call Waiting.

“Configuring SIP Support for Hookflash” module of the Cisco IOS SIP Configuration Guide, Release 12.4T

12.4(20)T
12.4(11)XW

Media Encryption (SRTP) on Cisco Unified CME

Provides secure voice call capabilities including secure Cisco VG224.

Configuring Secure Signaling and Media Encryption for the Cisco VG224

12.4(11)T
12.4(6)XE

Feature Mode for SCCP FXS Ports in Cisco IOS

Enables feature mode call control on analog FXS ports on Cisco voice gateways and under the control of Cisco Unified Communications Manager or Cisco Unified CME.

Configuring Feature Mode

DTMF Relay, Fax Relay, and Modem Relay for SCCP FXS Ports in Cisco IOS

Enhances the transmission of DTMF digits, faxes and modems between SCCP FXS ports on Cisco voice gateways. DTMF digit transmission is supported by using RFC 2833. Cisco Fax Relay, Cisco T.38 Fax Relay, and Cisco Modem Relay are supported using Names Signaling Events (NSE).

Configuring DTMF Relay, Fax Relay, and Modem Relay

SCCP Gateway Dial Tone Generation After Remote Onhook

Provides PBX interoperability by enabling configurable automatic dial tone capability after remote call disconnect.

Configuring SCCP Gateway Dial Tone Generation After Remote Onhook

Hookflash Duration

Enables modification of the upper limit of the hookflash duration range for an analog FXS port.

Hookflash Duration

SCCP Gateway Ground Start FXS Ports

Converts loop-start FXS ports to ground start to support power denial-based supervisory disconnect capability.

Ground Start FXS Ports as SCCP Analog Endpoints

12.4(9)T

SCCP PLAR with DTMF Out-Pulse Digits for FXS Analog Phones

Adds private line automatic ring-down (PLAR) support and enhanced speed-dial capabilities for SCCP analog ports on a Cisco voice gateway.

PLAR with DTMF Out-Pulse Digits

Supervisory Disconnect

Provides a disconnect indication to the remote party in a two-party call after one side disconnects and enables external applications connected to the Cisco voice gateway to promptly clear a call after receiving the disconnect indication.

Configuring Supplementary Features

12.4(6)T

Enhanced Speed Dial on SCCP Analog Phones

Allows you to define two-digit speed-dial codes for accessing up to 99 local speed-dial numbers configured on the call-control device.

Enhanced Speed Dial on SCCP Analog Phones

12.4(2)T

SCCP Controlled Analog (FXS) Ports with Supplementary Features in Cisco IOS Gateways

Enables supplementary features on SCCP-controlled analog FXS ports on a Cisco ISR or Cisco VG224.

Configuring Supplementary Features

Table 2 Feature Information for Supplementary Services Features for Analog FXS Ports on Cisco Voice Gateways, by Feature Name

Feature Name
Releases
Feature Information
Where Documented

CallBack on Busy for Analog Phones

12.4(20)YA

Provides callback notification when a busy called line becomes free. This feature is supported on analog SCCP endpoints in Cisco Unified Communications Manager only.

Configuring CallBack on Busy

CallBack on No Answer for Analog Phones

15.1(3)T

Provides CallBack notification when a called phone becomes available. This feature is supported on analog SCCP endpoints in Cisco Unified CM only.

Configuring CallBack on No Answer for Analog Phones

Call Hold/Resume for Shared Lines for SCCP Analog Ports

12.4(20)YA

Enables an analog phone on a shared line to use hookflash to hold and resume an active call. This feature is supported on analog SCCP endpoints in Cisco Unified Communications Manager only.

Configuring Call Hold/Resume for Shared Lines

Cancel Call Waiting

15.1(1)T
15.0(1)XA

Adds FAC for Cancel Call Waiting feature.

Cancel Call Waiting

cBarge for Shared Lines

15.1(3)T

Allows idle IP or analog phones that are connected to the same FXS ports on a Cisco VG2nn Analog Gateway to automatically join already active calls on the same shared lines by simply going offhook. This feature is supported in Cisco Unified CM only.

Configuring cBarge and Privacy for Shared Lines

Configurable AMWI and VMWI

15.1(3)T

Allows users to configure AMWI only, VMWI only, or both.

Configuring AMWI and VMWI

Configurable Call Waiting Tone Cadence

15.1(3)T

Allows the call waiting tone to continuously play when the called party has not switched to the new call and the new caller has not hung up.

Configuring Call Waiting Tone Cadence

DC Voltage Based VMWI for SCCP Controlled Analog Ports

12.4(20)YA

Notifies user on certain analog phones that support a DC voltage-controlled MWI lamp that there are messages waiting.

Configuring DC Voltage Based VMWI for SCCP Controlled Analog Ports

DTMF Relay, Fax Relay, and Modem Relay for SCCP FXS Ports in Cisco IOS

12.4(11)T
12.4(6)XE

Enhances the transmission of DTMF digits, faxes and modems between SCCP FXS ports on Cisco voice gateways. DTMF digit transmission is supported by using RFC 2833. Cisco Fax Relay, Cisco T.38 Fax Relay, and Cisco Modem Relay are supported using Names Signaling Events (NSE).

Configuring DTMF Relay, Fax Relay, and Modem Relay

Enhanced Serviceability

15.1(3)T

Provides line measurement and connectivity check support for analog voice ports.

Implementing Enhanced Serviceability

Enhanced Speed Dial on SCCP Analog Phones

12.4(6)T

Allows you to define two-digit speed-dial codes for accessing up to 99 local speed-dial numbers configured on the call-control device.

Enhanced Speed Dial on SCCP Analog Phones

Feature Mode for SCCP FXS Ports in Cisco IOS

12.4(11)T
12.4(6)XE

Enables feature mode call control on analog FXS ports on Cisco voice gateways and under the control of Cisco Unified Communications Manager or Cisco Unified CME.

Configuring Feature Mode

Flexible FACs in Feature Mode

15.0(1)M

Allows you to configure 1 to 4-character feature access codes for accessing supplementary features that are supported in feature mode.

Configuring Feature Mode

Flexible Feature Access Codes

12.4(20)YA

Allows you to configure 2 to 4-character feature codes for Feature Access Codes (FACs) and the speed-dial code for Redial so that phone users are not required to dial the prefix before dialing a feature code.

Flexible Feature Access Codes

Hookflash Duration

12.4(11)T
12.4(6)XE

Enables modification of the upper limit of the hookflash duration range for an analog FXS port.

Hookflash Duration

Media Encryption (SRTP) on Cisco Unified CME

12.4(20)T
12.4(11)XW

Provides secure voice call capabilities including secure Cisco VG224.

Configuring Secure Signaling and Media Encryption for the Cisco VG224

Media Renegotiation

15.1(3)T

Enhances the STCAPP state machine to support any of the most possible sequences of the media setup messages.

Media Renegotiation

MLPP Support for Supplementary Services on SCCP Controlled Analog Endpoints

15.1(1)T
15.0(1)XA

Adds Multilevel Priority and Preemption (MLPP) support of supplementary services such as Call Hold, Call Forwarding, Call Transfer, Call Pickup, Conferencing, Call Waiting, and Cancel Call Waiting.

MLPP service allows validated users to place priority calls and, if necessary, to preempt lower-priority calls.

See the documentation for your call-control system:

Privacy for Shared Line Phones

15.1(3)T

Disallows other users to cBarge into active calls on the same FXS ports on a Cisco VG2nn Analog Gateway. This feature is supported in Cisco Unified CM only.

Configuring cBarge and Privacy for Shared Lines

SCCP Gateway Dial Tone Generation After Remote Onhook

12.4(11)T
12.4(6)XE

Provides PBX interoperability by enabling configurable automatic dial tone capability after remote call disconnect.

Dial Tone Generation after Remote Onhook

SCCP Gateway Ground Start FXS Ports

12.4(11)T
12.4(6)XE

Converts loop-start FXS ports to ground start to support power denial-based supervisory disconnect capability.

Ground Start FXS Ports as SCCP Analog Endpoints

Secure SCCP Analog Endpoints over TLS with Cisco Unified Communications Manager

15.1(3)T

Enhances STCAPP FXS security analog endpoints through secure signaling and media encryption using TLS. This feature is supported for analog SCCP endpoints that are controlled by the Cisco Unified CM only.

Configuring Secure SCCP Analog Endpoints over TLS with Cisco Unified Communications Manager

Single Number Reach for Analog Phones

15.1(3)T

Enables incoming calls to analog phones connected to Cisco gateway FXS ports to be received on predefined alternate telephone numbers.

Configuring Single Number Reach for Analog Phones

SIP Supplementary Features

12.4(20)YA

Enables SIP supplementary features on analog FXS ports on a Cisco ISR or Cisco VG224 and under the control of Cisco Unified Communications Manager, including:

  • Call Hold/Resume
  • Three Way Calling
  • Call Transfer
  • Call Waiting.

“Configuring SIP Support for Hookflash” chapter of the Cisco IOS SIP Configuration Guide, Release 12.4T

SCCP Meet-Me Conference

12.4(20)YA

User on an analog SCCP phone can start or join a meet-me conference call.

SCCP Meet-Me Conference

SCCP PLAR with DTMF Out-Pulse Digits for FXS Analog Phones

12.4(9)T

Adds private line automatic ring-down (PLAR) support and enhanced speed-dial capabilities for SCCP analog ports on a Cisco voice gateway.

PLAR with DTMF Out-Pulse Digits

Supervisory Disconnect

12.4(9)T

Provides a disconnect indication to the remote party in a two-party call after one side disconnects and enables external applications connected to the Cisco voice gateway to promptly clear a call after receiving the disconnect indication.

Configuring Supplementary Features

Additional References

The following sections provide references related to supplementary features for analog phones connected to FXS ports on a Cisco voice gateway.

Related Documents

Related Topic
Document Title

Cisco Unified Communications Manager

Cisco Unified Communications Manager

Cisco Unified Communications Manager Express

Cisco Unified Communications Manager Express

Cisco IOS debugging

Cisco IOS Debug Command Reference

Cisco IOS voice commands

Cisco IOS Voice Command Reference

Cisco IOS voice configuration

Cisco IOS Voice Configuration Library

Cisco voice gateway

Conferencing and transcoding resources

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