YakPhone — SIP Softphone with On-Device AI Full-featured SIP client for iOS. Works with any SIP server — Asterisk, FreePBX, FreeSwitch, 3CX, and more. SIP & CALLING • UDP, TCP, and TLS registration with multiple accounts • G.722 wideband audio; H.264 and VP8 video calls with picture-in-picture • Audio codecs: Opus, G.711 (PCMU/PCMA), G.722, AMR-NB, AMR-WB • Echo cancellation, automatic gain control, noise reduction, and jitter buffer built in • Front/back camera flip during video calls; DTMF k...
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