Guardian Telecom
Installation and Operation
DTR/DTT-VoIP Series Telephones
Page 12
7.
Supported Protocols
The DTT-VoIP Telephone with Keypad supports:
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SIP (Session Initiation Protocol)
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HTTP Web-based configuration
Provides an intuitive user interface for easy system configuration and verification of DTT-VoIP Telephone with
Keypad operations.
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DHCP Client
Dynamically assigns IP addresses in addition to the option to use static addressing.
●
TFTP Client
Facilitates hosting for the Autoprovisioning configuration file.
●
RTP
Facilitates autoprovisioning configuration values on boot.
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Audio Encodings
PCMU (G.711 mu-law)
PCMA (G.711 A-law)
G722.1 (Siren7)
G722.2 (AMR-WB)
G729.1 (G729J & G729EV)
8.
Supported SIP Servers
As a SIP device, this product will operate with most IP PBX servers.
9.
DTR/DTT-VoIP Telephones Wiring
9.1. Connections
Figure 7 shows the pin connections on the J9 (terminal block). This terminal block can accept a wire range from 16
AWG to 26 AWG.
Note:
As an alternative to using PoE power 12 to 24 VDC at 500 mA can be supplied to the terminal block.
Figure 7 - Terminal Block Connections
