PortSIP VoIP SDK Manual for iOS  16.2
PortSIP features our newest, supported, quality-assured VoIP SDK used by Several hundred companies around the world for easy VoIP application develop and quality-assured code.
Functions

Functions

(void) - <PortSIPEventDelegate >::onRecvDtmfTone:tone:
 

Detailed Description

Function Documentation

◆ onRecvDtmfTone:tone:()

- (void PortSIPEventDelegate) onRecvDtmfTone: (long)  sessionId
tone: (int)  tone 

This event will be triggered when receiving a DTMF tone from remote side.

Parameters
sessionIdThe session ID of the call.
toneDTMF tone.
codeDescription
0The DTMF tone 0.
1The DTMF tone 1.
2The DTMF tone 2.
3The DTMF tone 3.
4The DTMF tone 4.
5The DTMF tone 5.
6The DTMF tone 6.
7The DTMF tone 7.
8The DTMF tone 8.
9The DTMF tone 9.
10The DTMF tone *.
11The DTMF tone #.
12The DTMF tone A.
13The DTMF tone B.
14The DTMF tone C.
15The DTMF tone D.
16The DTMF tone FLASH.