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Joined: Sep 2006
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Quote
Originally posted by Old blond hippity hopping Bunnie:
You get a maximum of 5 REN (ringer equivalency number or equal to 5 old Bell single line phones with ringers) and that number should be on the bottom of all non-system phones.

If you have 4 phones with a 1.0 REN (label on bottom of phone) and an answering machine/phone with a REN of 1.4, you have exceeded the 5.0 REN total and you may or may not get ringing depending on the tolerance of the 5 REN current.
Would this also apply to an incoming fax?

Qwest Oneflex IA (VoIP Service) FXS Mode, which should hand-off the digital service to an analog 66 block. This works with analog phones/equipment.
Lexmark 7170 All in One Fax Machine

Outgoing faxes are fine, incoming faxes do not ring through to the machine...however when a butt-set is connected to the fax pair of wires at the 66 block the fax machine receives calls just fine...???

Also, customer has an old fax machine which works just fine without the butt-set in place. Do new fax machines have any surge protection? Is there too much REN coming through??

Thanks for any info...

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Joined: Sep 2006
Posts: 2
Member
Member
Offline
Joined: Sep 2006
Posts: 2
Quote
Originally posted by Old blond hippity hopping Bunnie:
You get a maximum of 5 REN (ringer equivalency number or equal to 5 old Bell single line phones with ringers) and that number should be on the bottom of all non-system phones.

If you have 4 phones with a 1.0 REN (label on bottom of phone) and an answering machine/phone with a REN of 1.4, you have exceeded the 5.0 REN total and you may or may not get ringing depending on the tolerance of the 5 REN current.

Joined: Jul 2001
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Likes: 10
Moderator-Avaya-Lucent, Antique Tele
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Moderator-Avaya-Lucent, Antique Tele
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Joined: Jul 2001
Posts: 3,347
Likes: 10
Quote
Originally posted by dacmos:
Would this also apply to an incoming fax?

Qwest Oneflex IA (VoIP Service) FXS Mode, which should hand-off the digital service to an analog 66 block. This works with analog phones/equipment.
Lexmark 7170 All in One Fax Machine

Outgoing faxes are fine, incoming faxes do not ring through to the machine...however when a butt-set is connected to the fax pair of wires at the 66 block the fax machine receives calls just fine...???

Also, customer has an old fax machine which works just fine without the butt-set in place. Do new fax machines have any surge protection? Is there too much REN coming through??

Thanks for any info...
It would be the ring-generator in Quest's equipment that converts the VOIP to POTS - some machines just don't like anything other than a nice 90VAC sinewave. I've had FAXes that wouldn't work off a single line station port, but just fine off of telco dialtone.

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