NIST SIP

Business SIP Provider

Provider	Plan Details	Monthly Rate *
	PBX SIP Trunking Compatible with nearly all PBX systems US-based support No contracts at all	$14.95	Details 143 Reviews
	Unlimited Extension Unlimited calling and long distance Company Call Record, Voicemail to email transcription No contracts, not setup or installation fees	$24.99	Details 33 Reviews
	RingCentral Office Unlimited calling and faxing No Commitment, No Setup Fees, No Installation	$19.99	Details 54 Reviews
	8x8 IP Trunking No contract required. Unlimited Calls (9 free countries) Save 50% or more	$29.99	Details 84 Reviews
	Smart PBX Unlimited Use of All Features Free Long-Distance No Contracts or Hidden Fees	$21.95	Details 135 Reviews
	Unlimited Business SIP Solution Best overall quality & service Unlimited calling in/out Month to month agreement	$24.95	Details 14 Reviews

*Taxes and other fees may apply.

• NIST-SIP 1.2 — SIP Libraries and Tools
• A JAIN-SIP Proxy
• A JAIN-SIP Instant Messaging Client
• JsPhone - a JAIN-SIP Video Phone
• NIST-SIP traces viewer
• A JAIN-SIP gateway
• A JAIN-SIP Third Party Call Controller

See also:

• SIP COMMUNICATOR - Java softphone with audio and video support