Setup & Configuration
HDE-VoIP Telephones
Page 6
1. Typical System Installation
The Voice-over-IP (VoIP) Telephone is a Power-over-Ethernet (PoE 802.3af) and Voice-over-IP (VoIP) two-way
communications device that easily connects into existing local area networks (LANs) with a single cable connection. The
telephone is compatible with all SIP Compliant hardware or cloud based servers.
Figure 1 illustrates how VoIP Telephones can be installed as part of a VoIP phone system.
Figure 1 - Typical Installation
2. Supported Protocols
The 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 a VoIP Telephone.
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DHCP Client
Dynamically assigns IP addresses in addition to the option to use static addressing.
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TFTP Client
Facilitates hosting for the Autoprovisioning configuration file.
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RTP
Facilitates autoprovisioning configuration values on boot
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Audio Encodings
PCMU (G.711 mu-law)
PCMA (G.711 A-law)
G.722.1 (SIREN 7)
G.722.2 (ANR-WB)
g.729 (729J & 729EV)
3. Supported SIP Servers
As a SIP device, this product will operate with all SIP Compliant hardware or cloud based servers. Contact Guardian
Sales or Support on any interoperability questions. A list of formally tested compliant servers is available on the
Guardian Website.