1. 2003-02-18 RE: [Sip-implementors] Re:DTMF in SIP sip-imple Naoki MORI 2. 2003-02-18 RE: [Sip-implementors] Re:DTMF in SIP sip-imple Paul Long 3. 2003-02-18 [Sip-implementors] Re:DTMF in SIP sip-imple Jade Chen Yan