Receiving a voice call

To receive a voice call, your application must monitor the phone control object (/pps/services/phone/private/control). When the phone service receives an incoming voice call, it writes the following information to that PPS object:

msg::incoming_call
dat:json:{"call_id":13}

To answer the call, you must send the answer_call command to the same object:

echo 'msg::answer_call\nid::1\ndat:json:{"answer_call_id":"13"}\n'
> /pps/services/phone/private/control

If the command is successful, the response is:

res::answer_call
id::1
dat:json:{"call_id":13}

To end the call, you must send the end_call command, specifying the call_id given in the response to the answer_call command:

# echo 'msg::end_call\nid::2\ndat:json:{"call_id":"13"}\n'
> /pps/services/phone/private/control

The response is:

res::end_call
id::2
dat:json:{"call_id":13}

The logging information shows the following activity:

• Incoming call notification (received by the application) that includes the call_id
• Audio is started
• Answering of the incoming call through the answer_call command, using the same call_id
• Call is connected
• Application receives a response to the answer_call command, where call_id is included
• Ending of the call (by the receiver) through the end_call command
• Network confirmation that the call is disconnected
• Application receives a response to the end_call command
• Audio is stopped

Mar 25 11:06:40.694     qwf_voice_service.13815866             low_rate   3076  QWF_TR 
 NOTIFY_PHONE_INCOMING, connID:1

Mar 25 11:06:40.775     qwf_phone_service.13807671            high_rate   3070  QWF_TR 
                   start_voice: Start audio succeed

msg::incoming_call
dat:json:{"call_id":13}

Mar 25 11:06:43.379     qwf_phone_service.13807671             low_rate   3070  QWF_TR 
 Answer call

Mar 25 11:06:43.690     qwf_voice_service.13815866             low_rate   3076  QWF_TR 
 NOTIFY_PHONE_CONNECTED, connID:1

res::answer_call
id::1
dat:json:{"call_id":13}

Mar 25 11:07:07.811     qwf_phone_service.13807671             low_rate   3070  QWF_TR 
 End call

Mar 25 11:07:08.079     qwf_voice_service.13815866             low_rate   3076  QWF_TR 
 NOTIFY_PHONE_DISCONNECTED, connID:1

res::end_call
id::2
dat:json:{"call_id":13}

Mar 25 11:07:08.575     qwf_phone_service.13807671            high_rate   3070  QWF_TR 
                     end_voice: Stop audio succeed