[App_rpt-users] need 16 digit DMTF IAX client for Iphone

Need 16 digit DTMF IAX client for Iphone Zoipper and Linphone only supports a 12 digit DTMF pad. I need a 16 digit DTMF pad to send the 'A' 'B' 'C' 'D'digits Does anybody know of any? Thanks 73 Neil Sablatzky K8IT Allstar Node 41838 KITLINK Allstar Node 42087 KITLINK HUB IRLP Node exp0068 Echolink K8IT-L WIRES-X K8IT 11479 Room 21479