SmartNode 4830 allows you to add packet voice to a network, simultaneously ensuring access routing with native V.35/X.21 synchronous serial connection. Adding of up to eight telephone lines and combining them with Internet and VPN access through a single PPP line or Frame Relay.
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.