Operating Procedure; Service Conditions - NEC MG-SIP Configuration Manual

2. Operating Procedure

None.

3. Service Conditions

1. PHI is essential to perform this feature. This is included in MGC and it controls the MG-SIP16 via
TCP/IP.
2. MG-SIP16 supports 1 to 16 channels.
3. The maximum number of MG-SIP16s accommodated per system (including MC-MG with PFT) and
available channels are as follows, however, note that a maximum of simultaneous speech channels
available per LP, including other ISDN channels, is 460 channels.
The maximum number of devices and channels per system is calculated on the
Note 1:
condition that each device accommodated is set to the full capacity of channels. The
number of devices varies depending on the total accommodated channels.
When 6144 channels are occupied only by MG-SIP16, other devices cannot be
Note 2:
connected.
4. The number of Internal PHIs is one per system, except for UMG. For UMG, see Service Condition 22.
5. Speech channel is established by Virtual Trunk. Regardless of the registration number, the Virtual
Trunk occupies channels on a 1HW (4-Group) basis. For example, ff a single channel is registered,
the whole HW (32-channel) is occupied exclusively for the one single channel; other-type Virtual
Channel cannot be registered.
6. Virtual Trunk is registered to Virtual PIM.
7. MG-SIP16 makes a connection using SIP Server, which helps to create multi-location connection. SIP
server can use Proxy Server and Registry Server. User Agent (UA) has been registered to SIP Server.
8. Voice, FAX, DTMF (PB Signaling) communication can be established by connections via MG-SIP16.
9. IP Masquerade feature can make a VoIP connection between Private IP Address and Global IP Address.
IP Masquerade feature is to translate UDP and TCP Ports, thereby; it can connect multiple Private IP
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