1. iOS
2. Communications
3. Web Phones & VoIP Software
4. iPhone SIP Client Download

Make VoIP calls directly from iPhone.

iPhone SIP Client Screenshots

iPhone SIP Client Editor's review

Features : Customized with company logo/name; Unlimited user license; SIP protocol support; Making and receiving calls; Codecs supported: G729, G722, G711, GSM; Codecs Selection; Call timer; Balance Display; Recent Call; Phone Book (Synchronize with Phone Address Book); Add contact from App; Local signaling (Dial tone, busy, ring back); Redial; Speaker; Mute; Touch Tone; Silence Suppression; Echo Cancellation; Registration Timeout; STUN Server.
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