Section 4 Peer-To-Peer - NEC SL1100 Networking Manual

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An IP telephone can send and receive RTP packets to or from another IP telephone
without using DSP resources on a VoIPDB. This operation supports only Intercom
calls between the IP telephones.
If a DR700 IP multiline telephone or trunk line is required, a DSP resource is needed
and a VoIPDB must be installed. If a conference call is initiated while on a peer-to-
peer call, the peer-to-peer connection is released and a new non peer-to-peer
connection is created using the VoIPDB. If the third party drops out of the
conversation, the call reverts to a peer-to-peer call. There is silence while this
conversion is made by the system.
Although the peer-to-peer feature is supported for IP Station-to-IP Station calls, the
NEC SL1100 KSU must still have a registered VoIPDB installed in the system.
With Barge-In, a short silence may occur if the following occurs:
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The first step to connecting IP telephones to the NEC SL1100 system is to connect
the NEC SL1100 system to the customer data network. Refer to
IP Configuration. Next, program the VoIPDB and associated IP telephone settings.
To complete the installation, program the IP telephone.
The programming commands required to complete this installation are located in
Programming. This section provides a brief description of the commonly used
commands:
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Peer-To-Peer call receives a Barge-In without a Barge-In tone.
Peer-To-Peer call receives a Barge-In with Monitor mode.
Established Barge-In is disconnected.
The Peer-to-Peer feature is a programmable feature that may be enabled or
disabled by accessing Data Program 10-26-04 – DR700 Peer to Peer.
10-12-03 CPU Network Setup - Default Gateway
If required, select the default gateway IP address to use when using a
router (default: 0.0.0.0).
10-12-09 CPU Network Setup - IP Address
Select the IP address for the IP connection
10-12-10 CPU Network Setup - Subnet Mask
Assign the subnet mask for the VoIPDB
NEC SL1100
Chapter 4 General
IP Multiline Station (SIP)