The best replacement for sdp is tdp.

The best alternatives to sdp are rated as following:

★★★★★	tdp
★	ims

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Speaking about sdp, one probably shouldn't forget about sip.

Other search terms related to sdp and their ratings are:

★★★★★

sip

You have in mind a companion for sdp and it is not yet here? Propose!

Scale is based on the average worldwide traffic of sdp in all years. Click on graph for more.

sdp

tdp

ims