Is there a way to disable the "lock" feature on a Polycom CX500 phone, so you do not have to enter a PIN number to unlock the phone at random times during the day?
SOURCE: Polycom Soundpoint IP 501 - URL call is disabled
This in it's most basic description means that the phone is unable to register with the SIP server, most likely for lack of internet connectivity or a firewall blocking the packets.
If you've verified connectivity and opened the proper ports and the phone fails to initialize and still getting “URL Call Disabled” or all of the above parameters are correct, update the firmware for the router. This can usually be done within the router configuration. Then reboot in order, the cable modem or DSL, the router or switch, then the phone. This may solve the problem.
If still having the same issue, confirm in the router configuration for settings such as SIP proxy, gateway, or application layer or any configuration setting for SIP or VOIP. If any of these do exist, make sure they are turned off as these may only confuse or adversely affect many implementations.
SOURCE: "Couldn't contact DHCP" error
Check on the router if you are distributing enough IP addresses.
SOURCE: one of our Polycom 550 phones keeps randomly
It is not your T1. The T1 only controls the internet, not your local LAN. How old is the phone? It could be a bad phone....What system is it installed on?
SOURCE: polycom SE225: my verizon line provide caller id does not displa
Due to the age of the SoundPoint Pro, it some of its features are not compatible with newer phonesystems, such as CableVision. There are no software updates for the SoundPoint Pro, and as long as the Caller ID is enabled there are no other settings or adjustments that can be made to workaround these kind of problems unfortunately. I recommend contacting your service provider to see what kind of caller ID signaling they are using; most likely they will be using a newer digital system, or MDMF which is not backwards compatible with SDMF or earlier CID receivers.
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