asterisk-dev software package provides Development files for Asterisk, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install asterisk-dev
asterisk-dev is installed in your system.
Make ensure the asterisk-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep asterisk-dev *
You will get with asterisk-dev package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Development |
| Package | asterisk-dev |
| Version | 1:1.8.13.1~dfsg1-3+deb7u4 |
| Description | Development files for Asterisk |
| Sub Section | devel |