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We have a Digium PBX and two gateways behind an Atlas 550. We've been having problems with lack of sound on outbound calls, and Digium support recommended we make sure that SIP ALG is not enabled on our firewall. I've... We are looking to replace 2 Adtran 550's due to end of life. What is everyone using in its place? I am getting a lot of the same Event Log Errors saying: Call clearing: TIMER_EXPIRY : Loc=U, Category: Major, Source ISND, Port/Sublink 1. What is causing this? Atlas 550 with an incoming PRI and outgoing analog ports. Second, is it possible to have that FXS port call out when it receives a routed call from the hunt group? I'd like to save the current config on my Adtran Atlas550, Have running the tftp server. On some reason the Current Transfer Status is the Iddle When I am clicking on "Save Config remotely" have the message "Config... Hello Due to an overheat issue in our tech room, the system LED on is now constantly red on our Atlas 550. We tried to clear the system LED but it won't clear. Looking at the logs it appears the is... I'm new to the ADTRAN world. I have inherited some infrastructure that just works and I have tried to add a new/similar config to another site. I don't know if I have an ADTRAN problem or a circuit problem... I have a PRI with two Quad-4 cards for ISDN and also a FXS-8 card for Analog POTS lines in an Atlas 550. Is it possible to make a linear hunt group for just the 8 POTS Lines? We recently moved from Windstream to ATT IP Flex and are experiencing time delays in the phone calls. By this I mean when I'm talking to a person over the phone, it might take 1-4 seconds for the other person to hear ... I've got an Atlas 550 that is handling SS7 links for one of our service areas. Approximately every 15 hours this device reboots. I'm on the C.9.3 firmware. The reboot reason is "out of memory" and the manuals all sh... To have the backup PRI channel on our Adtran 550 we installed the second PRI Module. Now I have a hard time to programm it as the first one is programmed. To make sure that all the programming is done, I tried to use ... My Adtran 550 Network 1 Error light flashes three times every 8 seconds. I have no issues with processing signals, and Modules all report OK and ONLINE. I show no issues at all on Network 1 and no errors in the Syst... Trying the activate the new (second one as a backup) PRI channel, the provider asked me what type signal is used on our Adtran (National ISDN, Lucent 5E, or AT&T 4ESS or EuroISDN or Northen DMS-100? I went over a... Why does my Atlas 550 occassionally go into Test mode on the Network module...? I am using an Atlas 550 Is it possible to setup a single DID/DNIS match to ring multiple FXS with a single phone call? Whomever answers would assume the call, and the other FXS would stop ringing. ... Hello, I am using the Adtran Atlas 550 to migrate from one PBX to another in groups of users. I have an 8000 number DID range and it is spread out between 4 complexes. The numbers are all scrambled and not grouped ... I have an Adtran 550 at a local location using T1 out to a remote site that connects to another 550. We are using the local 550 through the ethernet port for our monitoring. I haven't been able to ping the re... I have a unit you can program OK and I get back to home page, but when i power cycle all my configs in Dial plan disappear? On an Adtran 550 got a 'Boot Room Flash contents are invalid' Any suggestions outside of returning to Adtran for repair? I've attempted to manipulate the outbound ani originating from a user interface PRI and terminating out a Network interface PRI and I get no success. The selections are send as provided, substitute if not presen...
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