Service Description
Telephone Line Only
This service provides access to a DoIT VoIP Platform 10-digit telephone extension and voicemail box. This is for use as a virtual telephone number for automated attendance or voicemail call trees.
Desktop VoIP Phone
This service provides access to the DoIT VoIP Platform IP (Internet Protocol Telephony) standard physical desk phone. The NEC DT920 IP telephone includes a phone line with a 10-digit extension and voicemail box. Calling feature examples include unified messaging to send voicemail messages to email, local calls and domestic long distance calling for executive branch agencies. International long distance is not supported.
Windows Softphone
This service provides access to the DoIT VoIP Platform softphone software. A softphone allows users to place and receive calls directly from a Windows desktop PC or laptop using a USB headset provided by the agency. The UC Client with a softphone can be used along with a desk phone or alone with no need for a desk phone. Calling feature examples include unified messaging to send voicemail messages to email, place and receive calls directly from a Windows desktop PC or laptop with no need for a desk phone, PC screen based calling and phone controls, ability to configure person and group contact lists, ability to have calls ring to multiple endpoints for the user such a desk phone, softphone, and/or mobile phones. Local calls and domestic long distance calling is included in IP Telephony for executive branch agencies.
Analog Gateway
This add-on service provides costs and options for VoIP Analog Gateway devices that connects an analog phone line (FX-O) to the VoIP line.
Poly Conference Telephone
This service provides access to the DoIT VoIP Platform Poly Trio model conference room phones and options extension microphones. The specific model chosen depends on the conference room layout and audience.
For system details for any of the VoIP phone services listed above (including pricing, maintenance windows, and your responsibilities), please refer to the
“DoIT Hosted VoIP Service” service agreement.
Session Initiation Protocol (SIP) Trunking
This service provides Voice over IP (VoIP) connectivity between an agency owned/managed VoIP enabled phone system and the public switched telephone network (PSTN). The service is offered as a cost effective replacement for legacy PBX Trunks (e.g. PRI Trunks). DoIT SIP Trunking is provided to agency locations over a single or redundant networkMaryland connection.
For more details (including pricing, maintenance windows, and your responsibilities), please refer to the
“DoIT SIP Trunking Service” service agreement .
Next Steps