BeSimpleSoap/Resources/config/routing/webservicecontroller.xml

<?xml version="1.0" encoding="UTF-8" ?>

<routes xmlns="http://symfony.com/schema/routing"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">

    <route id="_webservice_call" pattern="/{webservice}">
        <default key="_controller">BeSimpleSoapBundle:SoapWebService:Call</default>
        <default key="_format">xml</default>
        <requirement key="_method">POST</requirement>
    </route>

    <route id="_webservice_definition" pattern="/{webservice}">
        <default key="_controller">BeSimpleSoapBundle:SoapWebService:Definition</default>
        <default key="_format">xml</default>
        <requirement key="_method">GET</requirement>
    </route>
</routes>