Call Forward No Answer, Second Level.... need more detail. - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

Rachelle · 04-24-2003, 10:05 AM

#1: analog extension 2051 FDN and HUNT to 2058
digital 2616 extension 2058 FDN and HUNT to MerMail
When 2051 was called it would CFNA to 2058 but 2058 would ring no answer and never went to MerMail. Key 2 had 2051 built as an appearance. When I changed the CLS of 2058 to SFA the calls now flow to MerMail as intended.

#2: digital 3904 extension 3901 FDN to 4206 and HUNT to 4206. 4206 does not appear on 3901.
digital 3904 extension 4206 FDN to MerMail and HUNT to MerMail.
When 3901 is called it would CFNA to 4206, ring 4 times, then it went to MerMail. SFD is in the CLS of both phones.

#3: digital 3904 extension 3901 FDN to 3958 and HUNT to 3958. 3958 does appear on 3901.
digital 3904 extension 3958 FDN to MerMail and HUNT to MerMail.
When 3901 is called it would CFNA to 3958, ring no answer. SFD is in the CLS of both phones.

#4: digital 3904 extension 4207 FDN to 4009 and HUNT to 4009. 4009 does not appear on 4207.
digital 3904 extension 4009 FDN to MerMail and HUNT to MerMail.
When 4207 is called it CFNA to 4009. 4009 will ring no answer and not go to MerMail. Only after 4207 has it CLS changed to SFA does this call flow properly.

So, yesterday I concluded that if a line appears on the phone that it is CFNAing to that the call would not continue to the next level. So, in #1 I removed Key 2 and tested. The call still did not flow. Only after SFA was placed in the CLS did the call go. We have several hundred lines and only two phones have the CLS of SFA. Why is SFA needed for some cases and not for others? The above four scenarios have done nothing but make me more confused. If SFA is so universal then I should have to have more than two lines allowing this feature. According to the NTP, #2 should not have terminated in MerMail. I know this is a bit convoluted but, I hope that someone out there will be able to give me a clear understanding of what the differences and nuances of this feature. I will thank everyone in advance for your time. This is a good one.

rachelle

ABabbitt · 04-24-2003, 12:00 PM

R,
I don't understand this feature much better than you do, but when I looked in the Features and Service NTP (read this section) it looks like your problem may be related to the MARP issue. Which extensions are marp'd where and where the DN's appear on the phone.

It looks a wee bit complicated, like you said, so while I can't explain it to you, I can tell you to read that part of the NTP for a slightly better grasp of the feature.

AB

Rachelle · 04-25-2003, 12:46 PM

Anyone else have any information or maybe a further contact that would be able to explain this CLS?

Rachelle

acewarlock · 04-25-2003, 01:08 PM

#1: analog extension 2051 FDN and HUNT to 2058
digital 2616 extension 2058 FDN and HUNT to MerMail
When 2051 was called it would CFNA to 2058 but 2058 would ring no answer and never went to MerMail. Key 2 had 2051 built as an appearance. When I changed the CLS of 2058 to SFA the calls now flow to MerMail as intended.

If you had MARP on the 2616 it would follow the 2616 FNA and HUNT

================================================== =====
#2: digital 3904 extension 3901 FDN to 4206 and HUNT to 4206. 4206 does not appear on 3901.
digital 3904 extension 4206 FDN to MerMail and HUNT to MerMail.
When 3901 is called it would CFNA to 4206, ring 4 times, then it went to MerMail. SFD is in the CLS of both phones.

#3: digital 3904 extension 3901 FDN to 3958 and HUNT to 3958. 3958 does appear on 3901.
digital 3904 extension 3958 FDN to MerMail and HUNT to MerMail.
When 3901 is called it would CFNA to 3958, ring no answer. SFD is in the CLS of both phones.

Are these two phones with ext 3901 on them?

================================================== ======
#4: digital 3904 extension 4207 FDN to 4009 and HUNT to 4009. 4009 does not appear on 4207.
digital 3904 extension 4009 FDN to MerMail and HUNT to MerMail.
When 4207 is called it CFNA to 4009. 4009 will ring no answer and not go to MerMail. Only after 4207 has it CLS changed to SFA does this call flow properly.

This is the correct way to do this.

Rachelle · 04-25-2003, 01:14 PM

#1: analog extension 2051 FDN and HUNT to 2058
digital 2616 extension 2058 FDN and HUNT to MerMail
When 2051 was called it would CFNA to 2058 but 2058 would ring no answer and never went to MerMail. Key 2 had 2051 built as an appearance. When I changed the CLS of 2058 to SFA the calls now flow to MerMail as intended.

If you had MARP on the 2616 it would follow the 2616 FNA and HUNT
All of our numbers MARP to their primary TN. I am not sure how this impacts this CLS SFA. I need a better understanding of what SFA does and causes.
================================================== =====
#2: digital 3904 extension 3901 FDN to 4206 and HUNT to 4206. 4206 does not appear on 3901.
digital 3904 extension 4206 FDN to MerMail and HUNT to MerMail.
When 3901 is called it would CFNA to 4206, ring 4 times, then it went to MerMail. SFD is in the CLS of both phones.

#3: digital 3904 extension 3901 FDN to 3958 and HUNT to 3958. 3958 does appear on 3901.
digital 3904 extension 3958 FDN to MerMail and HUNT to MerMail.
When 3901 is called it would CFNA to 3958, ring no answer. SFD is in the CLS of both phones.

Are these two phones with ext 3901 on them?
3901 is the first phone being called. It does not appear on any other device anywhere.

================================================== ======
#4: digital 3904 extension 4207 FDN to 4009 and HUNT to 4009. 4009 does not appear on 4207.
digital 3904 extension 4009 FDN to MerMail and HUNT to MerMail.
When 4207 is called it CFNA to 4009. 4009 will ring no answer and not go to MerMail. Only after 4207 has it CLS changed to SFA does this call flow properly.

This is the correct way to do this.
I don't understand. If #4 is the same as #2 then why do they have two different outcomes?

acewarlock · 04-25-2003, 01:29 PM

You say #2 and #4 are the same but have a different outcome than there is something else not the same in the programing. What is the MARP on both phones?

The SFA should be on the Originating phone and MARP needs to be on Originating phone.

[Edited on 25/4/2003 by acewarlock]

acewarlock · 04-25-2003, 01:40 PM

Disregard my other post's I'm rereading the NTP's on this.

acewarlock · 04-25-2003, 01:54 PM

This feature seems simple but it really is stupid the way it works, Instead of the Originating phone controlling if there is a second FNA it is controlled by the second set. If SFA is not on the second set it stops there, If SFA is set then all phones that call this second will go to the second forward even if they don't want it to.

Features and Services
Feature description
Second Level Call Forward No Answer enhances Flexible Call Forward No
Answer by forwarding unanswered calls twice. The following example best
illustrates this enhancement.
Party A places a call to extension 5000, which does not answer. Extension
5000 has Call Forward No Answer (CFNA) allowed and extension 6000
defined as its CFNA number. The call forwards to extension 6000. This is the
first level CFNA.
Extension 6000 also does not answer the call. This telephone has a Call
Forward No Answer and Second Level Call Forward No Answer allowed
Class of Service (FNA and SFA). As it has a CFNA number of 7000, it
forwards there. This is the second level of Call Forward No Answer. Note that
the forwarding DN is always obtained from the currently ringing telephone.
Page 680 of 3156 Call Forward No Answer, Second Level
If extension 7000 does not answer the call, one of two things may occur:
• If the original call is a Direct Inward Dialing (DID) or internal call, the
forwarded call continues to ring until answered or the calling party
disconnects.
• If the original call is extended by the Attendant Console, Attendant
Recall occurs.

[Edited on 25/4/2003 by acewarlock]

Rachelle · 04-25-2003, 02:12 PM

Thus my confusion. None of our phones have the CLS as SFA but, calls do CFNA to another set. That is why I am questioning the interactions between features. In the examples of #2 and #4 all four of these phones are exactly the same. The TNB's show no difference in the programming other than the extensions that they point to in HUNT and FDN.

Obviously, we have had phones flow in a chain for a long time. I know that if all phones in the chain are analog the calls flow. It is when we mix device types that it seems to be an issue. That is why I was looking at the appearance on digital phones, etc.

acewarlock · 04-25-2003, 07:21 PM

Did you read this section in the NTP's

http://www142.nortelnetworks.com/bvd...x/P0943980.pdf

Set up three new phone in the switch room and play with it, that may clear up the smoke.

[Edited on 25/4/2003 by acewarlock]

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