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iAG801 Series Analog Gateway User Manual
31
OpenVox Communication Co. ,LTD.
URL: www.openvox.cn
4.1.4 Advanced: Signaling Settings
Table 4-1-4 Definition of Signaling Options
Options
Definition
Inbound In-band Signaling
Whether to generate an incoming ring tone.
Never: indicates that the incoming signal is never applicable;
Optional values: yes, no, never;
Default value: never;
Allow Overlap Dialing
Allow Overlap Dialing: Whether or not to allow overlap dialing.
Disabled by default.
Append User=Phone to URI
Whether or not to add ‘; user=phone' to URIs that contain a valid
phone number.
Add Q.850 Reason Headers
Whether or not to add reasonable header and to use it if it is
available.
SDP Version Header
By default, the gateway will add a session version number to the
SDP packet and if the SDP version number is modified, it will only
modify the SDP session.
Turning off this option will force the gateway to ignore this SDP
version number and treat all SDP data as new data.
This is necessary for a device that sends non-standard SDP packets.
It is turned on by default.
Allow Transfers
Whether or not to globally enable transfers. Choosing 'no' will
disable all transfers (unless enabled in endpoints or users). Default
is enabled.
Allow Promiscuous
Redirection
Whether or not to allow 302 or REDIR to non-local SIP address.
Notice:
Redirecting to the local system will cause a loop call, which
Asterisk does not support.
Maximum Forward
Setting for the SIP Max-Forwards header (loop prevention).
Send TRYING on REGISTER
Send a 100 Trying when the endpoint registers.