Samsung OfficeSERV - SIP Trunk Configuration Guide

Samsung OfficeSERV PBX configuration guide for the VoiceHost SIP Trunking

  1. On the VoiceHost control panel disable the + for the inbound number (SIP Trunk -> Advanced - tick "No Plus")
  2. Router Configuration
    The following Ports will need to forwarded to the Samsung PBX:
    · 5060 – UDP Signaling to the Processor
    · 30000 and greater – UDP, 2 ports per MGI channel
    · 40000 and greater – UDP, 4 ports per MPS channel
    · 45000 and greater – UDP, 4 ports per RTG channel

OfficeServ Configuration

  1. Trunk groups –MMC603/DM4.1.2
    Create a SIP trunk group and allocate your ISP setting
  1. SIP Carrier Options –MMC837/DM5.2.13
    • Registrar Address:
    • Outbound Proxy:
    • DNS Server:
    • Username: Username from VoiceHost (STXXXXXTXXX)
    • Auth Username: Username from VoiceHost (STXXXXXTXXX)
    • Auth Password: Password from VoiceHost
    • Alive Notify: OPTION
    • Alive Notify Time (sec): 30 seconds
    • Hold Mode: Send/Receive if you wish to use the systems MOH

All other entries can be left in default

DDI Table –MMC714/DM3.2.3
Use the full inbound number but replace the 0 with 44

VoIP Options – MMC501/DM5.2.18
To properly support early audio on outgoing calls, e.g. BT Caller Redirect numbers (<NU TONE> “the number
called has been changed to...”), change the following setting:
Real Ringback - ON

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