User guide

Chapter 4 – Configuring Your MultiVOIP
56 MultiVOIP® Voice/Fax over IP Gateways
Call Signaling
Three types of Call Signaling are available: H.323, SIP and SPP. Each type has features that may make it more
appealing to use than the others, depending on your needs. The –SS and –FX models do not support H.323
signaling.
H.323
H.323 is an ITU-T recommended set of standards for audio and video communications. The fields for this
window are defined in the table below.