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We have a Cisco ASA5520 which is using a Comcast cable connection for internet. We have purchased a Cisco UC520 telehpone system. I am looking at purchasing some SIP Trunks and one of the providers is asking that I need to use a PRI card. I am not sure how that would work. Would the ASA take an PRI card ? &nbsp; &nbsp; <br />
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The provider that is asking for a pri card is Speekeasy, but there are other providers that may not want a PRI card. <br />
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Thank you, 
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We have a Cisco ASA5520 which is using a Comcast cable connection for internet. We have purchased a Cisco UC520 telehpone system. I am looking at purchasing some SIP Trunks and one of the providers is asking that I need to use a PRI card. I am not sure how that would work. Would the ASA take an PRI card ?     

The provider that is asking for a pri card is Speekeasy, but there are other providers that may not want a PRI card. 




Thank you, 

PRI card for ASA 5520 in from of UC520 phone system.

Voice over IP (VoIP) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. Other terms commonly associated with VoIP are IP telephony, Internet telephony, broadband telephony, and broadband phone service. The term specifically refers to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the public Internet, rather than via the public switched telephone network (PSTN).  Examples of the VoIP protocols are H.323, Media Gateway Control Protocol (MGCP), Session Initiation Protocol (SIP), H.248 (also known as Media Gateway Control (Megaco)), Real-time Transport Protocol (RTP), Real-time Transport Control Protocol (RTCP), Secure Real-time Transport Protocol (SRTP), Session Description Protocol (SDP), and Inter-Asterisk eXchange (IAX).

Voice Over IP

Cisco PIX is a dedicated hardware firewall appliance; the Cisco Adaptive Security Appliance (ASA) is a firewall and anti-malware security appliance that provides unified threat management and protection the PIX does not. Other Cisco devices and systems include routers, switches, storage networking, wireless and the software and hardware for PIX Firewall Manager (PFM), PIX Device Manager (PDM) and Adaptive Security Device Manager (ASDM).

Cisco

A router is a networking device that forwards data packets between computer networks. Routers perform the "traffic directing" functions on the Internet. The most familiar type of routers are home and small office cable or DSL routers that simply pass data, such as web pages, email, IM, and videos between computers and the Internet. More sophisticated routers, such as enterprise routers, connect large business or ISP networks up to the powerful core routers that forward data at high speed along the optical fiber lines of the Internet backbone. Though routers are typically dedicated hardware devices, use of software-based routers has grown increasingly common.