Add Fax capabilities in Asterisk >=13

AsteriskRecomplieWithSpanDspBeginning with Asterisk 13 Digium will no longer make available the res_fax_digium module (FFA or commercial versione): if you want fax capabilities you should use the res_fax_spandsp module.

Yes, I know, it is possible to use IAX modem, but sometimes I prefer use T.38 protocolo to receive fax, and only res_fax_spandsp can support this protocol. I’ll show hot to install res_fax_spandsp in a working IncrediblePbx 13 inst.
Continue reading

Debian & HyperV just do not mix ! How to mitigate Debian freeze on HyperV

Cat and Dog angryIn these days I’ve found an issue related a guest Debian 7 in Hyper-V vers. 6.3 on Windows 2012 R2.
On a random Basis the file system will be mounted Read-Only due to a disk error: as a result Debian hangs and I need to force a reboot to get the system working again.
I made several configuration changes… I’m not sure they have solved the random issue but it’s been three months now and the problem is no longer happened.
In the next some notes about how I have (partially ?) solved the problem. Continue reading

Simple Mail to SMS gateway using Portech MV 37X

MobileSMSIn this post I will describe how to make a simple Email to SMS Gateway, using Portech MV37x and PHP code running on a Linux server.

Operation is simple: the code will poll the configured imap a folder, and if detect a new email it will send a Short Message Service (SMS) using the Portech hardware device. The recipient’s mobile number must be specified in the email subject (the subject must be a number or the email will be ignored) and the text will be the body in the email itself (truncated to 140 chars).
Continue reading