IHM SIP Phone Patch (SIP COM53) is a Base Station Controller with IP PBX SIP trunk phone patch.

The IHM SIP Phone Patch (COM53) is, as our other Base Station controllers, build with a number of programmable functions. It connects to a SIP trunk with IP PBX or a SIP trunk supported by a SIP telephony provider.

• SIP connection
• Supports MotoTrbo repeaters (e.g. SLR5500) with digital telephone license (HKVN4056)
• Abbreviated numbers for easy dialing
• Blocking of national/international calls
• Private calls patching
• Group calls patching