2. Environment Information
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2.1.1 Environment Setup
The typical deployment topology includes the following environment setup:
Table 1: Environment Setup
◼ Zoom Phone Local Survivability Module is located on the LAN.
◼ Both, Zoom Phone System and Generic SIP Trunk environments are
located on the WAN.
◼ Both Zoom Phone systems (ZPLS and Cloud) operates with SIP-over-
TLS transport type.
◼ Generic SIP Trunk can operate with SIP-over-UDP or SIP-over-TCP or
SIP-over-TLS transport type (depends on the particular provider).
◼ Both Zoom Phone systems support OPUS, G.711A-law, G.711U-law
and G.729 coders.
◼ Generic SIP Trunk supports G.711A-law, G.711U-law, and G.729
coders (or other coders, depending on the requirement).
◼ Both Zoom Phone systems operate with SRTP media type.
◼ Generic SIP Trunk operates with RTP media type.