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We are looking to get rid of Media Gateways but are stymied by still having to use analog devices.  (overhead paging interfaces, some hard fax machines still required, Fire/Security panels requiring analog lines).

Does anyone make SIP to Analog Adapters or has anyone in the community successfully installed such a solution?  I am thinking something like a small box that has an RJ45 Ethernet for SIP connection(s) and 2 or 4 or 8 RJ11 ports for analog devices.  Then we build a SIP profile in Session Manager and the box magically converts that SIP profile/message to one of the analog ports and spits it out on the appropriate port.  I have seen some Cisco boxes that look like they might have worked but all appear to be end of life making them unsupported.  Are there any other solutions out there?

Thanks

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles
------------------------------

Original Message:
Sent: 7/2/2020 4:05:00 PM
From: Mike Bernardin
Subject: SIP to Analog Adapters

We are looking to get rid of Media Gateways but are stymied by still having to use analog devices.  (overhead paging interfaces, some hard fax machines still required, Fire/Security panels requiring analog lines).

Does anyone make SIP to Analog Adapters or has anyone in the community successfully installed such a solution?  I am thinking something like a small box that has an RJ45 Ethernet for SIP connection(s) and 2 or 4 or 8 RJ11 ports for analog devices.  Then we build a SIP profile in Session Manager and the box magically converts that SIP profile/message to one of the analog ports and spits it out on the appropriate port.  I have seen some Cisco boxes that look like they might have worked but all appear to be end of life making them unsupported.  Are there any other solutions out there?

Thanks

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles
------------------------------

Many Thanks Sam.  This is helpful information.  We saw the Cisco Adapters but all look like end of life.  We may end up going with a discontinued product if we don't find more out there. Thanks again.

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles CA
------------------------------

Original Message:
Sent: 07-03-2020 08:43 AM
From: Sam Osheroff
Subject: SIP to Analog Adapters

We use the Cisco SPA122.  They're a two line box and work well enough for voice and fax.  For paging, look at the Algo8301.  If you need more than a few analog lines in each location, I recommend sticking with a g430 or g450.  They're easier to manage centrally.  There are other options for analog gateways (Audio Codes and Grand Stream come to mind) but 24 ports is the biggest I've seen, management is decentralized and something new to learn and they aren't cheaper than a g430 with a pair of analog boards.  On top of that, Anaya analog station licenses are by far cheaper than SIP station licences.

All that's to say, we use the SPA122 but only in locations that need no more than 4 to 6 lines or in places that lack voice riser (because you can easily put the ATA in an IDF or even at the fax machine).

Lastly, in my opinion, life/safety lines should come from the phone company unless you have backup power on your gateways and the network gear supporting them.  I wouldn't use a $30 ATA for a fire alarm panel.  Just my two cents.

Sam Osheroff

University of Washington

Original Message:
Sent: 7/2/2020 4:05:00 PM
From: Mike Bernardin
Subject: SIP to Analog Adapters

We are looking to get rid of Media Gateways but are stymied by still having to use analog devices.  (overhead paging interfaces, some hard fax machines still required, Fire/Security panels requiring analog lines).

Does anyone make SIP to Analog Adapters or has anyone in the community successfully installed such a solution?  I am thinking something like a small box that has an RJ45 Ethernet for SIP connection(s) and 2 or 4 or 8 RJ11 ports for analog devices.  Then we build a SIP profile in Session Manager and the box magically converts that SIP profile/message to one of the analog ports and spits it out on the appropriate port.  I have seen some Cisco boxes that look like they might have worked but all appear to be end of life making them unsupported.  Are there any other solutions out there?

Thanks

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles
------------------------------

Original Message:
Sent: 7/6/2020 12:24:00 PM
From: Mike Bernardin
Subject: RE: SIP to Analog Adapters

Many Thanks Sam.  This is helpful information.  We saw the Cisco Adapters but all look like end of life.  We may end up going with a discontinued product if we don't find more out there. Thanks again.

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles CA
------------------------------

Original Message:
Sent: 07-03-2020 08:43 AM
From: Sam Osheroff
Subject: SIP to Analog Adapters

We use the Cisco SPA122.  They're a two line box and work well enough for voice and fax.  For paging, look at the Algo8301.  If you need more than a few analog lines in each location, I recommend sticking with a g430 or g450.  They're easier to manage centrally.  There are other options for analog gateways (Audio Codes and Grand Stream come to mind) but 24 ports is the biggest I've seen, management is decentralized and something new to learn and they aren't cheaper than a g430 with a pair of analog boards.  On top of that, Anaya analog station licenses are by far cheaper than SIP station licences.

All that's to say, we use the SPA122 but only in locations that need no more than 4 to 6 lines or in places that lack voice riser (because you can easily put the ATA in an IDF or even at the fax machine).

Lastly, in my opinion, life/safety lines should come from the phone company unless you have backup power on your gateways and the network gear supporting them.  I wouldn't use a $30 ATA for a fire alarm panel.  Just my two cents.

Sam Osheroff

University of Washington

Original Message:
Sent: 7/2/2020 4:05:00 PM
From: Mike Bernardin
Subject: SIP to Analog Adapters

We are looking to get rid of Media Gateways but are stymied by still having to use analog devices.  (overhead paging interfaces, some hard fax machines still required, Fire/Security panels requiring analog lines).

Does anyone make SIP to Analog Adapters or has anyone in the community successfully installed such a solution?  I am thinking something like a small box that has an RJ45 Ethernet for SIP connection(s) and 2 or 4 or 8 RJ11 ports for analog devices.  Then we build a SIP profile in Session Manager and the box magically converts that SIP profile/message to one of the analog ports and spits it out on the appropriate port.  I have seen some Cisco boxes that look like they might have worked but all appear to be end of life making them unsupported.  Are there any other solutions out there?

Thanks

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles
------------------------------

Thanks again Sam, both for your help and information.

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles CA
------------------------------

Original Message:
Sent: 07-07-2020 09:37 AM
From: Sam Osheroff
Subject: SIP to Analog Adapters

Looks like the Cisco SPA 112 and 122 was replaced with the Cisco ATA 191 and 192 (respectively).  They are more expensive than the SPA112 and 122.  For what we do with them, I'd probably keep buying the SPA122 until stock was depleted.  I know there won't be firmware updates but I also haven't had cause to need to update the firmware.

 

 

 

Sam Osheroff, ACCA

UC Operations Engineer

IT Infrastructure Telecom Operations

University of Washington

sosherof@uw.edu

Internal: x16362 Direct: 206.221.6362

 

Original Message:
Sent: 7/6/2020 12:24:00 PM
From: Mike Bernardin
Subject: RE: SIP to Analog Adapters

Many Thanks Sam.  This is helpful information.  We saw the Cisco Adapters but all look like end of life.  We may end up going with a discontinued product if we don't find more out there. Thanks again.

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles CA

Original Message:
Sent: 07-03-2020 08:43 AM
From: Sam Osheroff
Subject: SIP to Analog Adapters

We use the Cisco SPA122.  They're a two line box and work well enough for voice and fax.  For paging, look at the Algo8301.  If you need more than a few analog lines in each location, I recommend sticking with a g430 or g450.  They're easier to manage centrally.  There are other options for analog gateways (Audio Codes and Grand Stream come to mind) but 24 ports is the biggest I've seen, management is decentralized and something new to learn and they aren't cheaper than a g430 with a pair of analog boards.  On top of that, Anaya analog station licenses are by far cheaper than SIP station licences.

All that's to say, we use the SPA122 but only in locations that need no more than 4 to 6 lines or in places that lack voice riser (because you can easily put the ATA in an IDF or even at the fax machine).

Lastly, in my opinion, life/safety lines should come from the phone company unless you have backup power on your gateways and the network gear supporting them.  I wouldn't use a $30 ATA for a fire alarm panel.  Just my two cents.

Sam Osheroff

University of Washington

Original Message:
Sent: 7/2/2020 4:05:00 PM
From: Mike Bernardin
Subject: SIP to Analog Adapters

We are looking to get rid of Media Gateways but are stymied by still having to use analog devices.  (overhead paging interfaces, some hard fax machines still required, Fire/Security panels requiring analog lines).

Does anyone make SIP to Analog Adapters or has anyone in the community successfully installed such a solution?  I am thinking something like a small box that has an RJ45 Ethernet for SIP connection(s) and 2 or 4 or 8 RJ11 ports for analog devices.  Then we build a SIP profile in Session Manager and the box magically converts that SIP profile/message to one of the analog ports and spits it out on the appropriate port.  I have seen some Cisco boxes that look like they might have worked but all appear to be end of life making them unsupported.  Are there any other solutions out there?

Thanks

------------------------------
Mike Bernardin
Sr. Telecommunications Engineer
Sheppard Mullin Richter Hampton
Los Angeles
------------------------------