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Version 5.8
395
September 2009
SIP User's Manual
9. IP Telephony Capabilities
Table 9-4: Dialed MF Digits Sent to PSAP
Digits of Calling Number
Dialed MF Digits
8 digits "nnnnnnnn" (ANI)
"KPnnnnnnnnST"
12 digits "nnnnnnnnnnnn" (ANI)
"KPnnnnnnnnnnnnSTP"
12 digits ANI and 10 digits PANI
"KPnnnnnnnnnnnnSTKPmmmmmmmmmmST"
two digits "nn"
"KPnnSTP"
The MF KP, ST, and STP digits are mapped as follows:
* for KP
# for ST
B for STP
For example, if ANI and PANI are received, the SIP INVITE contains the following From
header:
From: <sip:*nnnnnnnnnnnn#*mmmmmmmmmm#@10.2.3.4>;tag=1c14
Note:
It is possible to remove the * and # characters, using the device's number
manipulation rules.
If the device receives the SIP INFO message below, it then generates a "hookflash" mid-
call Wink signal:
INFO sip:4505656002@192.168.13.40:5060 SIP/2.0
Via: SIP/2.0/UDP 192.168.13.2:5060
From: port1vega1 <sip:06@192.168.13.2:5060>
To: <sip:4505656002@192.168.13.40:5060>;tag=132878796-
1040067870294
Call-ID: 0010-0016-D69A7DA8-1@192.168.13.2
CSeq:2 INFO
Content-Type: application/broadsoft
Content-Length: 17
event flashhook
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