1) download asterisk-1.4.20, zaptel-1.4.11 and chan_ss7-1.2.1.tar.gz
2) unzip asterisk-1.4.20.tar.gz to /usr/src, under asterisk dir, please run: ./configure, make and make install, make samples.
3) unzip zaptel-1.4.11.tar.gz to /usr/src/, under zaptel dir, please run: ./confiugre, make and make install
4) unzip the chan_ss7_1.1 to /usr/src, under chan_ss7-1.2.1, please do this:
4.1) modify the l4isup.c file,do like this
#define DAHDI_EVENT_DTMFDUP ZT_EVENT_DTMFUP
改成
#define DAHDI_EVENT_DTMFUP ZT_EVENT_DTMFUP
4.2) modify the Makefile, do like this:
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