Let me explain the scenario, we have an offsite with a small group of phones and a local voice gateway & analog VG204. To have the receptioniste answer people at the door they installed a door phone of the brand "Comelit".
This door phone is configured as a SIP device with a number in call manager, in the settings of the door phone we have made it call a number within CUCM, i made a CTI RP for this and then transfers directly to the receptioniste phone (Cisco 9951).
Now when a customer makes a call on the door phone, the call goes through perfectly and the receptioniste can hear & see them, to open the door she has to push in a key combination (020) and the door opens. All well until we transfer the 9951 to a DECT if the receptioniste can't be on her place, the DECT get's the call but cannot open the door. The DECT is connected to a VG204, it is connected via SCCP to the call manager and the FXS port is using STCAPP with no supplementary services configured.
We also have a FXS WIC in the voice gateway, we have already contacted the people who installed the door phone and they tell us that the door phone does not notice the numbers being pressed on the keypad of the DECT. I can see the numbers in a debug on the VG204 so i know they are being pressed.
I recall there are 2 ways for DTMF signalling, Out of Band & RFC2833. Don't know which one the VG204 is using, i think it's the RFC because that's the standard.
Could there be any commands for the VG204 for this to work, DTMF interworking? or something? Do i need to take a look at the STCAPP dial peers on the VG204? It seems that no DTMF's are being pushed to the SIP door phone, we also cannot program the base station of the phone, it doesn't seem to have that functionality.
When we use a mobile phone (Cell phone) it does work, and the company of the door phone says to us we were using the "in-band" signalling, can we force the VG204 to do the same signalling?
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...