[Serusers] Two PSTN gateway providers needs different prefix

[Ryan Pagquil]

Hi SER users,

	I have a problem. We have two PSTN gateway providers and both of 
them needs different prefixes when sending request to their gateway.
	
	For example:
		GW1 --->     3333#<phone number>
		GW2 --->     4444#<phone number>

Now I'll be using these two provider with LCR, but I don't know how 
will I accomplish their requirements on their prefixes. Could you 
give me any idea about this scenario? Also how can I make LCR to 
failover with these gateways?

Please help....

Thanks in advance,
Ryan Pagquil