Cell2Tel Bluetooth RJ11 gateway

> Has anyone had any experience with this? I recently bought one and
> connected a 2500 set. Polarity was wrong but I guess nobody worries
> about that anymore. Ring test actually made the bell sound which
> seemed encouraging. Unfortunately, while it worked for outgoing calls
> it seemed to lose its association with my cell phone when an incoming
> call arrived. It turned out that what was actually happening was that
> the Cell2Tel was trying to ring the 2500 set and crashing/rebooting in
> the attempt. If I disconnect the ringer I can answer blind just fine.
>
> I retried the original ring test and it no longer works; the device
> again crashes in the attempt. I conclude that the ring voltage
> generator can't deal with a real load and/or was damaged. When
> it tries to drive the bell it loads the power supply and causes
> the cpu to reset. (I tried a different wall wart in case it was
> that simple but no luck.) Customer support isn't very helpful,
> not responding as to whether they have ever tested with a real
> mechanical ringer. I can send the unit in for them to "look at"
> but I have a feeling it might just be a waste of postage (not
> to mention making it impossible to return to the place of purchase).
>
>                                 Dan Lanciani
>                                 ddl@danlan.*com

| > Has anyone had any experience with this? I recently bought one and
| > connected a 2500 set. Polarity was wrong but I guess nobody worries
| > about that anymore. Ring test actually made the bell sound which
| > seemed encouraging. Unfortunately, while it worked for outgoing calls
| > it seemed to lose its association with my cell phone when an incoming
| > call arrived. It turned out that what was actually happening was that
| > the Cell2Tel was trying to ring the 2500 set and crashing/rebooting in
| > the attempt. If I disconnect the ringer I can answer blind just fine.
| >
| > I retried the original ring test and it no longer works; the device
| > again crashes in the attempt. I conclude that the ring voltage
| > generator can't deal with a real load and/or was damaged. When
| > it tries to drive the bell it loads the power supply and causes
| > the cpu to reset. (I tried a different wall wart in case it was
| > that simple but no luck.) Customer support isn't very helpful,
| > not responding as to whether they have ever tested with a real
| > mechanical ringer. I can send the unit in for them to "look at"
| > but I have a feeling it might just be a waste of postage (not
| > to mention making it impossible to return to the place of purchase).
| >
| >                                 Dan Lanciani
| >                                 ddl@danlan.*com

> | Dan Lanciani wrote:
> |

> | > Has anyone had any experience with this? I recently bought one and
> | > connected a 2500 set. Polarity was wrong but I guess nobody worries
> | > about that anymore. Ring test actually made the bell sound which
> | > seemed encouraging. Unfortunately, while it worked for outgoing calls
> | > it seemed to lose its association with my cell phone when an incoming
> | > call arrived. It turned out that what was actually happening was that
> | > the Cell2Tel was trying to ring the 2500 set and crashing/rebooting in
> | > the attempt. If I disconnect the ringer I can answer blind just fine.
> | >
> | > I retried the original ring test and it no longer works; the device
> | > again crashes in the attempt. I conclude that the ring voltage
> | > generator can't deal with a real load and/or was damaged. When
> | > it tries to drive the bell it loads the power supply and causes
> | > the cpu to reset. (I tried a different wall wart in case it was
> | > that simple but no luck.) Customer support isn't very helpful,
> | > not responding as to whether they have ever tested with a real
> | > mechanical ringer. I can send the unit in for them to "look at"
> | > but I have a feeling it might just be a waste of postage (not
> | > to mention making it impossible to return to the place of purchase).
> | >
> | >                                 Dan Lanciani
> | >                                 ddl@danlan.*com

> |
> | FWIW, I tried ringing a 500 set on a Linksys PAP2; it doesn't ring
> | but at least the ATA didn't crash ;)
> |
> | Surprisingly, there doesn't seem to be ringer equiv. data for a lot
> | of these accessories.
>
> Indeed, even the FXS ports on my Cisco (I've tried NM-HDA, VIC-4FXS/DID,
> and VIC2-2FXS) will not ring a 2500 set. I think the main problem is that
> the lowest supported ring frequency is 25Hz--at least on 3600 series routers.
> An SPA-3000, on the other hand, did work after I lowered the frequency to
> 20Hz from the 25Hz default. (Raising the voltage also worked though less
> well.) I wonder why 25Hz is so common.
>
>                                 Dan Lanciani
>                                 ddl@danlan.*com

| > | Dan Lanciani wrote:
| > |

| > | > Has anyone had any experience with this? I recently bought one and
| > | > connected a 2500 set. Polarity was wrong but I guess nobody worries
| > | > about that anymore. Ring test actually made the bell sound which
| > | > seemed encouraging. Unfortunately, while it worked for outgoing calls
| > | > it seemed to lose its association with my cell phone when an incoming
| > | > call arrived. It turned out that what was actually happening was that
| > | > the Cell2Tel was trying to ring the 2500 set and crashing/rebooting in
| > | > the attempt. If I disconnect the ringer I can answer blind just fine.
| > | >
| > | > I retried the original ring test and it no longer works; the device
| > | > again crashes in the attempt. I conclude that the ring voltage
| > | > generator can't deal with a real load and/or was damaged. When
| > | > it tries to drive the bell it loads the power supply and causes
| > | > the cpu to reset. (I tried a different wall wart in case it was
| > | > that simple but no luck.) Customer support isn't very helpful,
| > | > not responding as to whether they have ever tested with a real
| > | > mechanical ringer. I can send the unit in for them to "look at"
| > | > but I have a feeling it might just be a waste of postage (not
| > | > to mention making it impossible to return to the place of purchase).
| > | >
| > | >                                 Dan Lanciani
| > | >                                 ddl@danlan.*com

| > |
| > | FWIW, I tried ringing a 500 set on a Linksys PAP2; it doesn't ring
| > | but at least the ATA didn't crash ;)
| > |
| > | Surprisingly, there doesn't seem to be ringer equiv. data for a lot
| > | of these accessories.
| >
| > Indeed, even the FXS ports on my Cisco (I've tried NM-HDA, VIC-4FXS/DID,
| > and VIC2-2FXS) will not ring a 2500 set. I think the main problem is that
| > the lowest supported ring frequency is 25Hz--at least on 3600 series routers.
| > An SPA-3000, on the other hand, did work after I lowered the frequency to
| > 20Hz from the 25Hz default. (Raising the voltage also worked though less
| > well.) I wonder why 25Hz is so common.
| >
| >                                 Dan Lanciani
| >                                 ddl@danlan.*com