1. FreePBX
2. dahdiconfig
3. source strings
4. review

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	Source	Priority	Failing checks
	-15db (CSU)	Medium	Multiple failing checks
	-22.5db (CSU)	Medium	Multiple failing checks
	-7.5db (CSU)	Medium	Multiple failing checks
	E & M -- Wink	Medium	Multiple failing checks
	E & M -- fead(DTMF)	Medium	Multiple failing checks
	EuroISDN	Medium	Multiple failing checks
	Hongkong	Medium	Multiple failing checks
	Loop Start	Medium	Multiple failing checks
	Lucent 5ESS	Medium	Multiple failing checks
	No	Medium	Multiple failing checks
	Nortel DMS100	Medium	Multiple failing checks
	Opermode	Medium	Multiple failing checks
	Yes	Medium	Multiple failing checks
	alaw	Medium	Multiple failing checks
	fcc	Medium	Multiple failing checks
	gsm	Medium	Multiple failing checks
	ulaw	Medium	Multiple failing checks

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