Admin Guide - VoIP software provider

4.4.4. Prefix RulesYou can rewrite prefixes before they arrive to the routing by entering your preferences here.The Mizu routing engine will accept only 3 digit length techprefixes or no thechprefix, so you must convert them here if your traffic sender willsend the traffic with techprefix that are not three digit length.Example 1:To set up a rule which defines that every incoming number from ip 111.111.111.111 on H323 if begins with 1234 must be rewritten to begin with 56.Number 123499999 will be rewritten to 5699999.If the “RewriteFrom” is emtly, then the “RewriteTo” fill be inserted before the numberExample 2: To remove 011 before all dialed numbers:Protocol: 0Type: 1Value: emptyRewrite from: 011Rewrite to: emptyNumber to rewrite: Incoming Called (0)Example 3: To replace 06 with 446 for all SIP calls coming from 192.168.1.8:Protocol: 1Type: 2Value: 192.168.1.8Rewrite from: 06Rewrite to: 446Number to rewrite: Incoming Called (0)Example 4: to handle the hungarian roaming prefix: 08 + SK + BK + NSN +SN you have to set the following values:prefixrewritestr: 08X…prefixrewritefrom: 9prefixrewriteto: 364.4.5. BlacklistingList the blacklisted numbers on the selected time interval and direction.This query will generate high server load. Use it only in off-peak time if possible