SIP for Cisco SPA8000

SIP Enable Analog Phones With the Cisco SPA8000 8-port IP Telephony Gateway®

Analog telephony adapters or ATAs make it possible to use analog telephones with digital, IP-based hardware and software.  SIP.US is compatible with a variety of ATAs including the Cisco SPA8000 (formerly Linksys SPA8000). By SIP enabling analog telephones, companies are able to reduce their monthly communications expenses and enjoy the features of a digital infrastructure without a major capital investment.


About the Cisco SPA8000

The Cisco SPA8000 8-Port IP Telephony Gateway is a full-featured analog telephone adapter (ATA) for small businesses, providing communication services via a broadband connection to the Internet.  Users can connect up to eight analog devices to the IP network, such as fax, standard phone, or overhead paging system, allowing continued use of existing analog phones on a VoIP system.  Users enjoy clear, high-quality voice communication, using standards based voice codec's and quality of service (QOS).

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Why Choose SIP.US for Cisco SPA8000?

The choice of SIP for Cisco SPA8000 makes it possible for companies to enjoy the benefits of VoIP without sacrificing their past investment in analog handset devices. Customers are able to add advanced digital features and save as much as 60% off their monthly communication costs, without spending a bundle on new equipment. Here are just a few of the reasons clients love SIP for Cisco SPA8000 form SIP.US:


  • Lower Monthly Phone Bill -  SIP enables users to cut traditional telephone lines and pricey PRI contracts. Because, SIP trunks from SIP.US include local calls and long distance to 48 US states and most of Canada, long distance charges can be greatly reduced or even eliminated.  What's more, the communications bill becomes a predictable monthly expense.
  • Digital Features - A huge advantage of a digital phone system is the amount of data it makes available about call patterns and individual calls.  SIP.US makes all of your Call Data Records (CDRs) available in the Control Panel in near real time.  Call trends can be tracked over time to inform staffing decisions, or data about individual calls can be used for verification or billing purposes.
  • Superior Call Quality -  SIP.US utilizes only Tier-1 upstream providers to route our SIP traffic. This ensures that you get the highest quality voice experience and a redundant network for outstanding reliability and performance.


How To Configure SIP for Cisco SPA8000

Configuring SIP for your Cisco SPA8000 is easy.  We offer complete instructions in our configuration guide.  If you'd like personal help, just enter a ticket on our support site.

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SIP for Cisco SPA8000 Frequently Asked Questions

Yes.  Unlike most other SIP service providers, SIP.US can connect you with carriers who welcome this type of traffic and make sure you avoid dialer surcharges.

Customer Feedback

Here is what our customers have to say about working with SIP.US.

Simple Interface.

We were able to get our systems up and running with SIP.US in a matter of minutes using the simple online interface.

Matt Harrison

Elevate Audio Visual

Low cost and good!

It’s easy to be low cost, but it’s a lot harder to be low cost AND good! In my opinion, SIP.US should be on anyone’s short list of primary providers.

Michael Dodds


All the tools I need.

The SIP.US Control Panel gives me all the tools I need to add, change and delete phone numbers. I can even order all the DIDs I need and set them up instantly. I love having access to these self-service tools, but I know the support team is also there if I need additional help.

Colin Cook

Thimble River

Up and running in minutes.

We are able to get our Switchvox systems up and running with SIP.US in a matter of minutes using the simple online interface.

Mike Crockett

BITS Technology

Quality support, low price.

I wasn’t sure how to configure my Asterisk system to work with SIP.US. The SIP team was able to remotely access my system and set it up for me. I didn’t expect that level of support for such a low price.

Greg Galvin

The Galvin Law Group

Fast and easy set-up.

I don’t have any experience with SIP trunking, but connecting my Asterisk PBX to SIP.US was fast and easy.

Eddy Pareja

Sangfroid Web Design

Excellent support.

The reason we moved most of our VOIP to you is because of your excellent support. We moved from another provider but your support makes the extra money well worth it.

Brian Marshman

CEO BMI SmartCloud