You have several challenges: First, you have edited your extensions.conf file which is not how you accomplish this task. To point a DID to a Phone Extension, you create the DID in the DID menu and set the route for the DID to "phone" and set the phone field to the phone extension you want to ring. You can also set the route to "extension" and set the route to the dial plan number of the phone. All of this is covered in the Vicidial manager's Manual so I won't go into greater detail, as that is after all what the Manual is for. Remember: If you are thinking about modifying a .conf file, you should avoid this at all costs. It has not been necessary to modify a conf file directly in Vicidial for several years.
Second: You have not listed any information regarding your system (are you on Vicidial 2.0.3? or perhaps 2.6?).
I will assume this means you are a newbie, and as such you need some newbie suggestions to make this easier:
when you post, please post your entire configuration including (but not limited to) your installation method and vicidial version with build.
this IS a requirement for posting along with reading the stickies (at the top of each forum) and the manager's manual (available on EFLO.net, both free and paid versions)
You should also post: Asterisk version, telephony hardware (model number is helpful here), cluster information if you have one, and whether any other software is installed in the box. If your installation method is "from scratch" you must post your operating system and should also post the .iso version from which you installed your original operating system. If your installation is "Hosted" list the site name of the host.
If this is a "Cloud" or "Virtual" server, please note the technology involved along with the version of that techology (ie: VMware Server Version 2.0.2). If it is not, merely stating the Motherboard model # and CPU would be helpful.
Similar to This:
Vicibox X.X from .iso | Vicidial X.X.X-XXX Build XXXXXX-XXXX | Asterisk X.X.X | Single Server | No Digium/Sangoma Hardware | No Extra Software After Installation | Intel DG35EC | Core2Quad Q6600
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My advice to you is to begin at the first page of the Vicidial Manager's Manual and do all the tutorials on every page (don't skip anything, especially the stuff you don't think you need). When everything works as you want it to, stop ... but do not "skip ahead" to get something you need as you will invariable skip something you needed and end up back here. LOL
When you bump into your first problem, bring us the Manual Version, Page Number, Line Number that you are on and a detailed description of the error condition, including a copy/paste of any error readings. You can also bring us the Asterisk Command Line output if that is relevant ... but not 3000 lines of unrelated code, of course, just the output from a single test call demonstrating your problem.
And we'll be able to walk you through your solution.
Happy Hunting.