RFCs about dual-tone multifrequency
3 documents indexed under this keyword
- RFC 2833RTP Payload for DTMF Digits, Telephony Tones and Telephony SignalsObsoletedMay 2000proposed standardreplaced by RFC4733, RFC4734
- RFC 3601Text String Notation for Dial Sequences and Global Switched Telephone Network (GSTN) / E.164 AddressesCurrentSeptember 2003proposed standard
- RFC 3660Basic Media Gateway Control Protocol (MGCP) PackagesCurrentDecember 2003informational