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ZYCOO CooVox T-series IP Phone System Admin User Guide v4.0.0
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SRTP
: Secure Real-time Transport Protocol (SRTP) encrypts the RTP traffic to secure your VoIP phone calls.
Before enabling this option you need to ensure the SIP endpoint can also support SRTP.
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Qualify(S)
: The IPPBX system sends a SIP OPTIONS command regularly to check if the device is still online.
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NAT Support
: Enable this option if extension user or the phone is behind a router.
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IAX Extension
: Enable this option to activate IAX protocol support.
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Permit IP
: Defines which IP address or network address (either private IP or public IP) is allowed to register to
this extension, register coming from other addresses will be dropped.
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Qualify Timeout (S)
: If a qualify message is not responded by the SIP endpoint within the “Qualify Timeout”,
IP PBX system will consider the endpoint offline.
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Send PAI
: Send the P Asserted Identity header. The P-Asserted-Identity contains the caller id information for
the call on the INVITE SIP packet. Send the remote Party ID header. PAI and RPID are mutually exclusive you
can set one or the other but not both.
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Send RPID
: Send the Remote Party ID header. PAI and RPID are mutually exclusive you can set one or the
other but not both.
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RTP Timeout
: RTP timeout can be used to automatically hangup the call if no RTP traffic is received within 60
(default) seconds.
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Inband Progress
: Set whether to send the ring tone via voice streaming.
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Available Codec
: CooVox IPPBX system supports the following audio codecs G.711 (ulaw, alaw), G.722, G.726,
G.729, GSM, Opus and Speex. You may choose the appropriate audio codecs from the
Available Codec
column and click to add to
Selected Codec
column.
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Selected Codec
: Audio codecs you chose will be added here. The sequence of the audio codecs listed here is
the sequence of the audio codecs to be used for negotiating the media of a phone call to be established.
If you want more extensions to be created or if you had skipped the quick setup wizard so no extension had been
created, you may click on
button to add a new extension or click on
button to create bulk
extensions.
The extensions’ properties could be set while you are creating them.
Содержание CooVox T Series
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