my advice would be to fix it.
more on that subject:
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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And just to be funny ... you could define what a "blank call" is? If you are saying that there is no sound during a call menu, you have likely uploaded a non-playable audio file (or forgotten to specify one at all?). The audio store upload screen lists a specific format to upload. If you "just uploaded anyway, even though you weren't sure the format was perfect" ... you need to use sox (on the server) to convert your file or "Audacity" (Free software for the desktop) to convert the file and reupload it.
Happy Hunting