Snom 320 IP phone is a powerful business phone with full-duplex speakerphone and three-way conference call bridge, and while having it all on board Snom 320 IP phone is accessible to any user.
From mobiSIP Android or iPhone: SIP Client iPhone is uniquely designed and developed to add the power of making voice over internet transfer protocol calls directly through the Android or iPhone. It’s developed by mobisnow.