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Table of Contents [Hide/Show] 1 - Introduction 2 - More Information 3 - Applies To 4 - Support

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1 - Introduction

You might from time to time see entries on the InphoniteVoice status reports saying "No ringback". This article discusses that call result.


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2 - More Information

The status "No Ringback" means no dial tone was detected on the line during the call attempt. Clearly, a call cannot be made if no dial tone is detected, so this is the first check InphoniteVoice will perform when sending calls. There are three primary causes for this.

Phone Line is Down
If your phone line is down, this would cause the problem. To check to make sure the phone line is live, we recommend connecting a basic analog phone or a fax machine to the line or jack and picking up the handset. If the line is live, a dial tone will be audible. If only silence is heard, you would need to contact your phone technician or service provider for assistance.

Phone Line Not Connected to Computer
Another cause for the problem is the phone line not connecting the computer to the wall jack (or its being connected to the wrong port in the card). Normally, in the back of your computer you will see four (4) phone ports, each of them numbered. A phone line should connect the wall to the back of the computer to port 1. If the phone line is not plugged into the back of the computer, or if it is plugged into the wrong port, you will receive this status.

System is Dialing Too Quickly
A third cause for this status is InphoniteVoice's attempting to dial before the phone switch has a chance to set. Often, when this is the case, the "No Ringback" status will not appear for all call attempts but only some.

The solution for this is to add a slight delay to the dialing prefix being used by InphoniteVoice, causing it to wait just a bit longer before dialing. To do this:

1. Launch the InphoniteVoice Admin Client.
2. Click on the Interface Service node on the tree.
3. Find the 'Dialing Prefix' field on the right and add 2-4 commas at the start of the field. Each comma is a half second delay. Do not replace everything in the field; simply add the commas.
4. After this, right click on the Interface Service node on the tree again and choose 'Stop Service'. After a moment, right click again and choose 'Start Service'. This applies your change.
5. Exit the InphoniteVoice Admin Client.

If necessary, more commas may be added. However, if this is something that occurs frequently even after extending the pre-call delay as described here, you may be experiencing issues with your phone line. It would be wise to have your phone technician take a look at your line and attempt to nail down the issue.


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3 - Applies To

InphoniteVoice 2010 R2


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4 - Support

If you are unable to find answers to your question, our Technical Support Department offers per-incident support and annual maintenance contracts.

- OPEN A SUPPORT CASE -

All requests received between 9:00am and 6:00pm Eastern (6:00am and 3:00pm Pacific), Monday through Friday, will be responded to that same day. Our Technical Support team responds to requests in the order received. Requests from customers with Premium Support will be placed at the head of the queue and attended to by the next available Support Technician.

PLEASE NOTE: Before contacting our Technical Support Team, please review our article "Before You Contact Support".

For more tips and useful information, be sure to check out the Inphonite Blog at blog.inphonite.com

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_{Keywords: dial tone, ring back, calls, telephone}