User`s manual

Table Of Contents
SIP User's Manual 6. Gateway's ini File Configuration
Version 5.0 163 October 2006
Table 6-7: SIP Configuration Parameters (continues on pages 150 to 169)
ini File Field Name
Web Parameter Name
Valid Range and Description
EnableTransfer
[Enable Transfer]
0 = Call transfer is not allowed.
1 = The gateway responds to a REFER message with ‘Referred-To’ header to
initiates a call transfer (default).
Note 1: To use this service, the gateways at both ends must support this
option.
Note 2: To use this service, set the parameter ‘Enable Hold’ to ‘Yes’.
XferPrefix
[Transfer Prefix]
Defined string that is added, as a prefix, to the transferred called number,
when REFER/3xx message is received.
Note 1: The number manipulation rules apply to the user part of the Refer-
To/Contact URI before it is sent in the INVITE message.
Note 2: The xferprefix parameter can be used to apply different manipulation
rules to differentiate the transferred number from the original dialed number.
EnableHold
[Enable Hold]
0 = Hold service is disabled.
1 = Hold service is enabled, held tone is played to holding party (default).
EnableForward
[Enable Call Forward]
0 = Disable call forward.
1 = Enable call forward service (default).
The gateway doesn't initiate call forward, it can only respond to call forward
requests.
EnableCallWaiting
[Enable Call Waiting]
0 = Disabled.
1 = Enabled (default).
If enabled, when the gateway initiates a Tel to IP call to a destination that is
busy, it plays a Call Waiting Ringback tone to the originator of the call.
Note 1: The gateway’s Call Progress Tones file must include a Call Waiting
Ringback tone.
Note 2: The EnableHold parameter must be enabled on the called side.
Send180ForCallWaiting
0 = Use 182 Queued response to indicate a call waiting (default).
1 = Use 180 Ringing response to indicate a call waiting.
HookFlashCode
[Hook-Flash Code]
Determines the digit pattern used by the PBX to indicate a ‘Hook-Flash’ event.
When this pattern is detected from the Tel side, the gateway responds as if a
Hook-Flash event occurs and sends an INFO message indicating ‘Hook
Flash’. If configured and a Hook-Flash indication is received from the IP side,
the gateway generates this pattern to the Tel side.
The valid range is a 25-character string.
UseSIPURIForDiversionHea
der
Sets the URI format in the Diversion header.
0 = ‘tel:’ (default).
1 = ‘sip:’.
RxDTMFOption
[Declare RFC 2833 in SDP]
Defines the supported Receive DTMF negotiation method.
0 = Don’t declare RFC 2833 telephony-event parameter in SDP.
1 = N/A.
2 = N/A.
3 = Declare RFC 2833 ‘telephony-event’ parameter in SDP (default).
The gateway is designed to always be receptive to RFC 2833 DTMF relay
packets. Therefore, it is always correct to include the ‘telephony-event’
parameter as a default in the SDP. However some gateways use the absence
of the ‘telephony-event’ from the SDP to decide to send DTMF digits inband
using G.711 coder, if this is the case you can set ‘RxDTMFOption=0’.