SIP服务器SER 0.9.6:SIP Express Router 安装记录

小时候长话费尤其是国际长话费贵得惊人，几分钟就得１０多块几十块上百块的．由此也出现了不少守个公用电话做为小营生的小商人，倒是制造了或多或少的就业机会，当然那高额的利润究竟最后到了谁手上，就不知道了．

现在费用倒是明里暗里下降了不少，不过你要是有个必须每天打Ｎ通电话的重要人物在外地甚至在外国，话费的Ｎ倍还是吃不太消．就算不存乎，能省点也是几千年来的光荣传统不是？自己架个SIP Server，再用个phone 2 network类的设备，你想打Ｎ通就打Ｎ通，每通想打Ｎ久就打Ｎ久，如果你有那么多话说，不必再担心话费问题了．取而代之的，你可能要担心网费和电费的问题．

现在有不少几合一的家用路由交换一体的设备，都带有电话接口，设置好SIP帐号，接部普通电话就能用了．而最新的智能手机，带wifi功能的，也都基本支持SIP类软件，设置好帐号，直接用wifi通话，也要比走GSM,3G类的网络节省很多．

首先，官网下载源代码．BTW，只能在Linux下安装．Window下也有类似的程序，国产的就有不少，不过我没用过，不做评论．我个人仍然喜欢用开源的东西自己来编译．

下载 ser-0.9.6_src.tar.gz

tar vzxf ser-0.9.6_src.tar.gz
cd ser-0.9.6

修改Makefile,加入mysql支持

# if not set on the cmd. line or the env, exclude this modules:
    exclude_modules?=cpl ext extcmd \
                postgres snmp \
                im \
                jabber mysql \
                cpl-c \
                auth_radius group_radius uri_radius avp_radius \
                pa

删除其中的mysql字样．

make all
make install

修改/usr/local/sbin/ser_mysql.sh，防止默认utf编码时．建立库失败．查找

echo "creating database $1 ..."

sql_query <<EOF
create database $1;
use $1;

create database $1;行后加入

alter database ser character set latin1;

建立初始数据库,没有出错提示，会自动建立２４个表，而且其中大部分没用到．

make dbinstall or run /usr/local/sbin/ser_mysql.sh create

建立新用户

serctl add username@domin password email

安装语音代理rtpproxy,一样从http://www.iptel.org/ser/下载，make,make install就好

配置文件/usr/local/etc/ser/ser.cfg,配置mysql认证，以及NAT修正. 其他类型可在这查看

ftp://siprouter.teigre.com/pub/gettingstarted/configs/

# $Id: nat-rtpproxy.cfg 51 2006-01-31 13:28:04Z /CN=Paul Hazlett/emailAddress=paul@onsip.org $
debug=3
fork=yes
log_stderror=no

listen=192.0.2.13           # INSERT YOUR IP ADDRESS HERE
port=5060
children=4

dns=no
rev_dns=no
fifo="/tmp/ser_fifo"
fifo_db_url="mysql://ser:heslo@localhost/ser"

loadmodule "/usr/local/lib/ser/modules/mysql.so"
loadmodule "/usr/local/lib/ser/modules/sl.so"
loadmodule "/usr/local/lib/ser/modules/tm.so"
loadmodule "/usr/local/lib/ser/modules/rr.so"
loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
loadmodule "/usr/local/lib/ser/modules/usrloc.so"
loadmodule "/usr/local/lib/ser/modules/registrar.so"
loadmodule "/usr/local/lib/ser/modules/auth.so"
loadmodule "/usr/local/lib/ser/modules/auth_db.so"
loadmodule "/usr/local/lib/ser/modules/uri.so"
loadmodule "/usr/local/lib/ser/modules/uri_db.so"
loadmodule "/usr/local/lib/ser/modules/nathelper.so"
loadmodule "/usr/local/lib/ser/modules/textops.so"

modparam("auth_db|uri_db|usrloc", "db_url", "mysql://ser:heslo@localhost/ser")
modparam("auth_db", "calculate_ha1", 1)
modparam("auth_db", "password_column", "password")

modparam("nathelper", "natping_interval", 30) 
modparam("nathelper", "ping_nated_only", 1)   
modparam("nathelper", "rtpproxy_sock", "unix:/var/run/rtpproxy.sock")

modparam("usrloc", "db_mode", 2)

modparam("registrar", "nat_flag", 6)

modparam("rr", "enable_full_lr", 1)

route {

    # -----------------------------------------------------------------
    # Sanity Check Section
    # -----------------------------------------------------------------
    if (!mf_process_maxfwd_header("10")) {
        sl_send_reply("483", "Too Many Hops");
        break;
    };

    if (msg:len > max_len) {
        sl_send_reply("513", "Message Overflow");
        break;
    };

    # -----------------------------------------------------------------
    # Record Route Section
    # -----------------------------------------------------------------
    if (method!="REGISTER") {
        record_route();
    };

    if (method=="BYE" || method=="CANCEL") {
        unforce_rtp_proxy();
    } 

    # -----------------------------------------------------------------
    # Loose Route Section
    # -----------------------------------------------------------------
    if (loose_route()) {

        if ((method=="INVITE" || method=="REFER") && !has_totag()) {
            sl_send_reply("403", "Forbidden");
            break;
        };

        if (method=="INVITE") {

            if (!proxy_authorize("","subscriber")) {
                proxy_challenge("","0");
                break;
            } else if (!check_from()) {
                sl_send_reply("403", "Use From=ID");
                break;
            };
            consume_credentials();

            if (nat_uac_test("19")) {
                setflag(6);
                force_rport();
                fix_nated_contact();
            };
            force_rtp_proxy("l");
        };
        route(1);
        break;
    };

    # -----------------------------------------------------------------
    # Call Type Processing Section
    # -----------------------------------------------------------------
    if (uri!=myself) {
        route(4);
        route(1);
        break;
    };

    if (method=="ACK") {
        route(1);
        break;
    } else if (method=="CANCEL") {
        route(1);
        break;
    } else if (method=="INVITE") {
        route(3);
        break;
    } else  if (method=="REGISTER") {
        route(2);
        break;
    };

    lookup("aliases");
    if (uri!=myself) {
        route(4);
        route(1);
        break;
    };

    if (!lookup("location")) {
        sl_send_reply("404", "User Not Found");
        break;
    };

    route(1);
}

route[1] {

    # -----------------------------------------------------------------
    # Default Message Handler
    # -----------------------------------------------------------------

    t_on_reply("1");

    if (!t_relay()) {
        if (method=="INVITE" && isflagset(6)) {
            unforce_rtp_proxy();
        };
        sl_reply_error();
    };
}

route[2] {

    # -----------------------------------------------------------------
    # REGISTER Message Handler
    # ----------------------------------------------------------------

    if (!search("^Contact:[ ]*\*") && nat_uac_test("19")) {
        setflag(6);
        fix_nated_register();
        force_rport();
    };

    sl_send_reply("100", "Trying");

    if (!www_authorize("","subscriber")) {
        www_challenge("","0");
        break;
    };

    if (!check_to()) {
        sl_send_reply("401", "Unauthorized");
        break;
    };

    consume_credentials();

    if (!save("location")) {
        sl_reply_error();
    };
}

route[3] {

    # -----------------------------------------------------------------
    # INVITE Message Handler
    # -----------------------------------------------------------------

    if (!proxy_authorize("","subscriber")) {
        proxy_challenge("","0");
        break;
    } else if (!check_from()) {
        sl_send_reply("403", "Use From=ID");
        break;
    };

    consume_credentials();

    if (nat_uac_test("19")) {
        setflag(6);
    }

    lookup("aliases");
    if (uri!=myself) {
        route(4);
        route(1);
        break;
    };

    if (!lookup("location")) {
        sl_send_reply("404", "User Not Found");
        break;
    };

    route(4);
    route(1);
}

route[4] {

    # -----------------------------------------------------------------
    # NAT Traversal Section
    # -----------------------------------------------------------------

    if (isflagset(6)) {
        force_rport();
        fix_nated_contact();
        force_rtp_proxy();
    }
}

onreply_route[1] {

    if (isflagset(6) && status=~"(180)|(183)|2[0-9][0-9]") {
        if (!search("^Content-Length:[ ]*0")) {
            force_rtp_proxy();
        };
    };

    if (nat_uac_test("1")) {
        fix_nated_contact();
    };
}

先启动rtpproxy,用ftp的用户权限

/usr/local/bin/rtpproxy -u ftp

启动ser

serctl start

停止ser

serctl start

查看注册用户

serctl ul show

SIP服务器SER 0.9.6:SIP Express Router 安装记录

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