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Configuring extended sip functions, Configuring out-of-band dtmf – H3C Technologies H3C MSR 5600 User Manual

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Step Command

Remarks

6.

Enter dial program view.

dial-program

N/A

7.

Enter VoIP entity view.

entity entity-number voip N/A

8.

Enable the VoIP entity to
obtain the call destination

address from the proxy server.

address sip proxy

By default, a VoIP entity does not
obtain the call destination address

from a proxy server.

Configuring the destination domain name and port number for
a VoIP entity

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter voice view.

voice-setup

N/A

3.

Enter dial program view.

dial-program

N/A

4.

Enter VoIP entity view.

entity entity-number voip N/A

5.

Configure the destination

domain name and port
number.

address sip dns domain-name port
port-number

By default, no destination domain
name or port number is

configured.
The port number must be 5060.

Configuring extended SIP functions

This section describes extended SIP configurations.

Configuring out-of-band DTMF

There are two ways to transmit DTMF tones: in-band signaling and out-of-band signaling. In-band

signaling sends DTMF tones in RTP packets, and out-of-band signaling sends DTMF tones in SIP

messages.
To use out-of-band signaling, configure the outband sip command on both the calling and called
devices.
To configure out-of-band DTMF:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter voice view.

voice-setup

N/A

3.

Enter dial program view.

dial-program

N/A

4.

Enter voice entity view.

entity entity-number { pots | voip }

N/A

5.

Enable out-of-band DTMF.

outband sip

By default, inband DTMF is
enabled.