diff --git a/suites/gprs/cs_paging_gprs_active.py b/suites/gprs/cs_paging_gprs_active.py
index fc0e160..b7dead2 100755
--- a/suites/gprs/cs_paging_gprs_active.py
+++ b/suites/gprs/cs_paging_gprs_active.py
@@ -5,79 +5,34 @@
 
 from osmo_gsm_tester.testenv import *
 
-hlr = suite.hlr()
-bts = suite.bts()
-pcu = bts.pcu()
-mgw_msc = suite.mgw()
-mgw_bsc = suite.mgw()
-stp = suite.stp()
-ggsn = suite.ggsn()
-sgsn = suite.sgsn(hlr, ggsn)
-msc = suite.msc(hlr, mgw_msc, stp)
-bsc = suite.bsc(msc, mgw_bsc, stp)
-ms_mo = suite.modem()
-ms_mt = suite.modem()
+import testlib
+suite.test_import_modules_register_for_cleanup(testlib)
+from testlib import setup_run_iperf3_test_parallel
 
-bsc.bts_add(bts)
-sgsn.bts_add(bts)
+def ready_cb_place_voicecall(ms_li):
+    print('waiting a few secs to make sure iperf3 test is running')
+    sleep(2)
+    # At this point in time, TBF should be enabled on both MS since they are sending/receiving data.
+    print('iperf3 running, let\'s place a call')
+    ms_mo = ms_li[0]
+    ms_mt = ms_li[1]
+    assert len(ms_mo.call_id_list()) == 0 and len(ms_mt.call_id_list()) == 0
+    mo_cid = ms_mo.call_dial(ms_mt)
+    mt_cid = ms_mt.call_wait_incoming(ms_mo)
+    print('dial success')
 
-print('start network...')
-hlr.start()
-stp.start()
-ggsn.start()
-sgsn.start()
-msc.start()
-mgw_msc.start()
-mgw_bsc.start()
-bsc.start()
+    assert not ms_mo.call_is_active(mo_cid) and not ms_mt.call_is_active(mt_cid)
+    ms_mt.call_answer(mt_cid)
+    wait(ms_mo.call_is_active, mo_cid)
+    wait(ms_mt.call_is_active, mt_cid)
+    print('answer success, call established and ongoing')
 
-bts.start()
-wait(bsc.bts_is_connected, bts)
-print('Waiting for bts to be ready...')
-wait(bts.ready_for_pcu)
-pcu.start()
+    sleep(5) # maintain the call active for 5 seconds
 
-hlr.subscriber_add(ms_mo)
-hlr.subscriber_add(ms_mt)
+    assert ms_mo.call_is_active(mo_cid) and ms_mt.call_is_active(mt_cid)
+    ms_mt.call_hangup(mt_cid)
+    wait(lambda: len(ms_mo.call_id_list()) == 0 and len(ms_mt.call_id_list()) == 0)
+    print('hangup success')
 
-ms_mo.connect(msc.mcc_mnc())
-ms_mt.connect(msc.mcc_mnc())
-ms_mo.attach()
-ms_mt.attach()
 
-ms_mo.log_info()
-ms_mt.log_info()
-
-print('waiting for modems to attach...')
-wait(ms_mo.is_connected, msc.mcc_mnc())
-wait(ms_mt.is_connected, msc.mcc_mnc())
-wait(msc.subscriber_attached, ms_mo, ms_mt)
-
-print('waiting for modems to attach to data services...')
-wait(ms_mo.is_attached)
-wait(ms_mt.is_attached)
-
-# We need to use inet46 since ofono qmi only uses ipv4v6 eua (OS#2713)
-ctx_id_v4_mo = ms_mo.activate_context(apn='inet46', protocol=ms_mo.CTX_PROT_IPv4)
-ctx_id_v4_mt = ms_mt.activate_context(apn='inet46', protocol=ms_mt.CTX_PROT_IPv4)
-
-assert len(ms_mo.call_id_list()) == 0 and len(ms_mt.call_id_list()) == 0
-mo_cid = ms_mo.call_dial(ms_mt)
-mt_cid = ms_mt.call_wait_incoming(ms_mo)
-print('dial success')
-
-assert not ms_mo.call_is_active(mo_cid) and not ms_mt.call_is_active(mt_cid)
-ms_mt.call_answer(mt_cid)
-wait(ms_mo.call_is_active, mo_cid)
-wait(ms_mt.call_is_active, mt_cid)
-print('answer success, call established and ongoing')
-
-sleep(5) # maintain the call active for 5 seconds
-
-assert ms_mo.call_is_active(mo_cid) and ms_mt.call_is_active(mt_cid)
-ms_mt.call_hangup(mt_cid)
-wait(lambda: len(ms_mo.call_id_list()) == 0 and len(ms_mt.call_id_list()) == 0)
-print('hangup success')
-
-ms_mo.deactivate_context(ctx_id_v4_mo)
-ms_mt.deactivate_context(ctx_id_v4_mt)
+setup_run_iperf3_test_parallel(2, ready_cb=ready_cb_place_voicecall)