Hi All,
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I have compiled the source with version 2.7.1 along with python 3.6.
PJSIP works excellent as described. I have encountered an issue where when sending the DTMF,
What am i doing:
#Registering the account
#Making a call
#Checking whether the Media state is active
# Then calling the method self.call.dial_dtmf("4")
Thats when i am getting an error as:
self.call.dial_dtmf("4")
File "C:\Python36-32\lib\site-packages\pjsua.py", line 1761, in dial_dtmf
self._lib()._err_check("dial_dtmf()", self, err)
File "C:\Python36-32\lib\site-packages\pjsua.py", line 2722, in _err_check
raise Error(op_name, obj, err_code, err_msg)
pjsua.Error: Object: {Call sip:2002@192.168.100.127:5060}, operation=dial_dtmf(), error=b'Invalid value or argument (PJ_EINVAL)'
Also i have checked with SDP that there is 101 telephone-event is available.shown below :
Session Description Protocol
Session Description Protocol Version (v): 0
Owner/Creator, Session Id (o): 3cxPS 496286826496 76722208769 IN IP4 192.168.100.127
Session Name (s): 3cxPS Audio call
Connection Information (c): IN IP4 192.168.100.122
Time Description, active time (t): 0 0
Media Description, name and address (m): audio 5004 RTP/AVP 0 8 9 109 101
Media Attribute (a): sendrecv
Media Attribute (a): rtpmap:0 PCMU/8000
Media Attribute (a): ptime:20
Media Attribute (a): rtpmap:8 PCMA/8000
Media Attribute (a): rtpmap:9 G722/8000
Media Attribute (a): rtpmap:109 iLBC/8000
Media Attribute (a): fmtp:109 mode=30
Media Attribute (a): rtpmap:101 telephone-event/8000
Media Attribute Fieldname: rtpmap
Media Format: 101
MIME Type: telephone-event
Sample Rate: 8000
Media Attribute (a): fmtp:101 0-15
Media Attribute Fieldname: fmtp
Media Format: 101 [telephone-event]
Media format specific parameters: 0-15
I have checked sending the DTMF from the console app generated, and it works flawless. But same is not working in python.
Same console app pjsua_app.py has errors and i am unable to run that to test sending DTMF.
Can anybody let me where i am doing wrong or is there any other method to send DTMF with RFC 2833.
--
vroom
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