Specifications

Chapter 3: ShoreWare Servers Overview
ShoreTel Maintenance Guide 27
The Telephony Management Service (TMS) uses NCC to communicate with the ShoreGear
switches, and a combination of RPC and Windows sockets (Winsock) to communicate
with a remote TAPI service provider.
To view the properties of the ShoreTel Remote TAPI Service Provider, open the Phone and
Modem Options tab in the Windows Control Panel.
Never modify the TAPI properties of ShoreTel Remote TAPI Service Provider. Modified
TAPI properties can cause ShoreTel clients or applications to fail.
3.1.4.2 Distributed Routing Service
DRS on the server provides routing information when switches are unable to connect a call
to through the local path. ShoreTel’s enhanced SIP protocol is used for the switch to DRS
communications (see Figure 3-3).
3.1.5 Media Communications
Media, from the perspective of the server, is connecting voice mail and the Auto-Attendant
to switches and endpoints via the media driver. Media travels through the ShoreTel system
using Real-Time Protocol (RTP).
A voice mail message is normal RTP traffic, unless it is a recorded voice mail message
moving from one server to another. Voice mail media streams conform to the G.711 codec.
If a switch or IP phone is configured to use G.729 or ADPCM (e.g. intersite call), a media
Figure 3-2 ShoreWare Server TAPI Communications