HP MSR SERIES, Configuration Manual

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Item Description
Backup Rule
Specify the backup rule:
•
Strict —One of the following three conditions will trigger strict call backup:
The device does not receive any reply from the peer after sending out a call
request.
The device fails to initiate a call to the IP network side.
The device fails to register on the voice server.
•
Loose —Loose call backup is triggered if any of the above mentioned three
conditions or the following condition happens: the device receives a reject reply
(with a number from 3xx to 6xx except 300, 301, 302, 305, 401, 407, and 422)
after sending a call request.
Call Backup Switch
Time
Specify the time duration in seconds for switching from the current VoIP link to
another VoIP link or a PSTN link (that is, the call backup switching time) in case of a
VoIP call failure.
Number of Saved Call
Records
Set the maximum number of call history records that can be stored.
Related Time
Parameters of DTMF
•
Duration of Sending DTMF Digits.
•
Interval of Sending DTMF Tones.
DSCP Value in the ToS
Field of the IP Packets
Carrying RTP Stream
Set the DSCP value in the ToS field in the IP packets that carry the RTP stream
globally.
DSCP Value in the ToS
Field of the IP Packets
Carrying Voice
Signaling
Set the DSCP value in the ToS field in the IP packets that carry the voice signaling
globally.
VPN Instance
Specify a VPN instance for SIP on a PE.
By default, no VPN instance is specified for SIP.
Follow these guidelines to specify a VPN instance for SIP on a PE:
•
Configure this setting when no SIP services are running. This feature takes effect
for all SIP services such as SIP calling, registration, and subscription.
•
To use SIP source binding, the VPN instance associated with the source interface
must be the same as the VPN instance specified for SIP.
VRF-aware SIP
VRF-aware SIP enables telephones to call each other in an L3VPN.
As shown in
Figure 844 , two VPNs Voice and Data exist on the network. The two VPNs cannot access
each other. After you specify the Voice VPN instance on PE 1, Telephone 3 can make SIP calls with
telephones 1 and 2 in the VPN Voice .
Specify a VPN instance in the Global Configuration page. For more information, see Table 297 .