Description: 
Configures the rtpmap of the audio codec for account X. 
X ranges from 1 to 16 (for SIP-T54S/T48G/T48S/T46G/T46S/T29G) 
X ranges from 1 to 12 (for SIP-T52S/T42G/T42S) 
X ranges from 1 to 6 (for SIP-T41P/T41S/T27P/T27G) 
X ranges from 1 to 3 (for SIP-T40P/T40G/T23P/T23G) 
X ranges from 1 to 2 (for SIP-T21(P) E2) 
X is equal to 1 (for SIP-T19(P) E2/CP860) 
Y ranges from 1 to 12 (SIP-T54S/T52S/T48S/T46S/T42S/T41S/T27G) 
Y ranges from 1 to 11 (for SIP-T48G/T46G/T42G/T41P/T29G/CP860) 
Y ranges from 1 to 10 (for SIP-T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2) 
Y ranges from 1 to 9 (for SIP-T27P) 
For SIP-T54S/T52S/T48S/T46S/T42S/T41S: 
When Y=1, the default value is 0; 
When Y=2, the default value is 8; 
When Y=3, the default value is 4; 
When Y=4, the default value is 4; 
When Y=5, the default value is 18; 
When Y=6, the default value is 9; 
When Y=7, the default value is 106; 
When Y=8, the default value is 103; 
When Y=9, the default value is 104; 
When Y=10, the default value is 102; 
When Y=11, the default value is 105; 
When Y=12, the default value is 107; 
For SIP-T27G: 
When Y=1, the default value is 0; 
When Y=2, the default value is 8; 
When Y=3, the default value is 18; 
When Y=4, the default value is 9; 
When Y=5, the default value is 106; 
When Y=6, the default value is 103; 
When Y=7, the default value is 104; 
When Y=8, the default value is 102;