Supported Methods; Supported Ata Call Features - Cisco ATA 191 Quick Start Manual

Analog telephone adapter

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Cisco ATA 191 Analog Telephone Adapter Overview

Supported Methods

The ATA 191 supports these methods:

• REGISTER

• REFER

• INVITE

• BYE

• CANCEL

• NOTIFY

• OPTIONS

• ACK

• SUBSCRIBE

For more information, see RFC3261, SIP: Session Initiation Protocol.

SIP supplementary services are services that you can use to enhance your phone service.

The ATA supports these SIP supplementary services:

• Caller ID

• Call-waiting caller ID

• Voice mail indication

• Making a conference call

• Call waiting

• Call forwarding

• Calling-line identification

• Unattended transfer

• Attended transfer

• Shared Line

• SpeedDial

• Meet-Me Conference

• Call Pickup/Group Call Pickup

• Redial

• Secure Call

• C-Barge

Cisco ATA 191 Analog Telephone Adapter Overview

Supported Methods

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